8 Leading Air Shower Manufacturers for Cleanroom Applications

Every time someone walks from a gowning room into a cleanroom, they carry particles. On garments, on gloves, on equipment surfaces. An air shower is the mechanical step that knocks those loose particles off before they get inside.

Pharmaceutical manufacturing, biotechnology, semiconductor production, medical device assembly, food processing, and aerospace all use cleanroom air showers to reduce particulate transfer at entry points. The choice of air shower manufacturers matters more than most procurement teams expect — design quality affects airflow performance, filtration, installation, validation support, and long-term maintenance access.

Choosing the right air shower manufacturer is just as important as selecting the right air shower type. Experienced manufacturers can recommend the most suitable configuration based on your cleanroom layout, personnel flow, and contamination-control requirements.

What Is a Cleanroom Air Shower?

A cleanroom air shower is an enclosed entry chamber installed between a gowning area and a cleanroom, or between two controlled environments of different cleanliness grades. Personnel or materials enter the chamber before crossing into the controlled area.

Inside the chamber, high velocity air — HEPA filtered or ULPA filtered — exits through adjustable air nozzles mounted on the side walls and ceiling. That airflow dislodges loose dust, lint, fibres, and particulate matter from garments, carts, and material surfaces. Contaminated air returns through low-level return grilles, passes through pre-filters and final filters, and is recirculated back through the nozzles.

Air showers don’t sterilise surfaces. They remove loose particles. The distinction matters for setting realistic contamination-control expectations.

How Does an Air Shower Work?

The cycle follows a fixed sequence. Personnel or materials enter through the first door. Both doors lock — the interlock prevents both from opening at the same time, which would connect the clean and less-clean zones directly.

Blowers push filtered air through the HEPA or ULPA filter bank. Air exits through stainless steel nozzles at high velocity — typically 20 to 30 m/s. That velocity creates a scrubbing action on garment surfaces and equipment. Released particles move with the airflow toward the lower return grilles, then back through the pre-filters and final filters before recirculation.

When the timed cycle ends — usually 10 to 30 seconds — the exit door unlocks. The cycle time is adjustable. Most systems use a closed-loop recirculation design that doesn’t exchange air with the surrounding room.

Key technical notes: cycle time 10–30 seconds | air velocity 20–30 m/s | nozzle placement: side walls and ceiling | airflow: closed-loop recirculation in most designs

Key Components of a Cleanroom Air Shower System

HEPA and ULPA Filters

HEPA filters are standard across most cleanroom air showers. Where tighter particle control is needed — semiconductor, microelectronics — ULPA filters are specified instead.

For pharmaceutical cleanrooms that use ULPA in laminar airflow equipment, LENGE also supplies compact ULPA filters for high-grade cleanrooms for ISO Class 4 and above environments.

Pre-Filters

A pre-filter stage — typically G4 panel type — captures larger garment fibres and coarse dust before the air reaches the final HEPA or ULPA filter. This extends final-filter service life significantly.

High Velocity Air Nozzles

Adjustable stainless steel nozzles direct the air at the user or material surface. Most nozzles are mounted on the side walls and ceiling. The number of nozzles and their angle directly affect how thoroughly the air shower covers the target surface.

Door Interlock System

The interlock prevents both doors from opening simultaneously. Without it, an open air shower would connect the cleanroom directly to the less-clean area outside. Electronic or magnetic interlocks are the standard design.

Control System and Monitoring

Microprocessor, PLC, or touchscreen control systems manage cycle time, door status, lighting, and alarms. Useful monitoring equipment includes: differential pressure gauge across filters, air velocity display, filter-condition alarm, fault alarm, and emergency stop on both sides of the chamber.

HEPA vs. ULPA Filters in Air Showers

Both work on the same principle. The difference is efficiency and the particle size they target. Filter selection should be based on cleanroom class, contamination risk, airflow design, pressure drop, and manufacturer data.

Types of Air Shower Systems

Personnel Air Shower

The most common type. Used for workers before they enter the cleanroom. Standard in pharmaceutical, biotech, electronics, and medical device facilities. Chamber sized for one or two people in cleanroom garments.

Cargo Air Shower

Larger chamber, wider doors, sometimes with floor tracks for carts. Used for pallets, equipment, drums, containers, and mixing vessels. A single-person air shower won’t work here — cargo air showers are a different product class.

Tunnel Air Shower

A multi-module linear system for high-traffic entry during shift changes. Multiple people can pass through in sequence. Useful when a standard air shower would create a bottleneck during large team entry.

Stainless Steel Air Shower

Built with SS304 or SS316. Preferred in pharmaceutical, biotech, hospital, and food-processing environments where chemical cleaning is regular and corrosion resistance matters. Easier to validate and easier to clean than coated steel.

FRP Air Shower

Constructed with fiber-reinforced plastic (FRP), an FRP air shower manufacturer is the right choice when a facility requires lightweight construction or enhanced resistance to corrosive chemical vapours that could damage conventional steel enclosures. These systems are commonly used in corrosive chemical processing, chemical manufacturing, and other harsh industrial environments where long-term corrosion resistance is a priority. They are less common in pharmaceutical applications, where stainless steel air showers are typically preferred.

480V Air Shower

Industrial facilities with 480V three-phase electrical systems need equipment from a 480v air shower manufacturer. Confirm voltage, phase, frequency, and local electrical certification requirements before ordering. This isn’t a detail to clarify after the purchase order is signed.

Mist Air Shower

Combines HEPA filtered air jets with fine mist. Used in selected powder-control applications where fine particles or potent API powders need to be dampened before personnel leave a containment area.

LENGE manufactures both standard air showers and mist air showers. See the full LENGE air shower and mist air shower range for model specifications.

Comparison of the Top Air Shower Manufacturers in 2026

To help you compare leading air shower manufacturers more quickly, the table below summarizes each company's primary market, product focus, key strengths, and the types of buyers they typically serve. The detailed profiles that follow provide additional information about each manufacturer’s products and capabilities.

8 Air Shower Manufacturers in 2026

1. LENGE Purification Cleanroom Air Showers and Mist Air Showers

LENGE manufactures air showers and mist air showers for pharmaceutical cleanrooms, biotech facilities, and controlled-environment production areas. Standard models and custom configurations are both available.

HEPA filtered high velocity air exits through adjustable stainless steel nozzles. G4 pre-filtration protects the final filter. Real-time monitoring, fault alarms, and emergency stop are standard. The mist air shower option is designed for API dispensing areas and powder-control applications.

Key Features

• HEPA filtered high velocity air jets, above 25 m/s on listed models
• Adjustable stainless steel nozzles on side walls and ceiling
• G4 pre-filter and HEPA terminal filtration
• Differential pressure display and fault alarm
• Emergency stop on both sides of the chamber
• Magnetic door interlocks with microprocessor control
• Mist air shower option for potent powder applications
• Standard and custom chamber sizes

Best Suited For

• Pharmaceutical cleanrooms and GMP-regulated facilities
• Biotech and API handling areas
• Material and cart entry control points
• Facilities requiring pharmaceutical cleanroom integration with pass boxes, dispensing booths, and LAF systems

Advantages

• Factory-direct pricing from China — typically lower for equivalent specification
• OEM and custom dimensions available as standard practice
• One-stop cleanroom supplier: air showers, HEPA filters, dispensing booths, laminar airflow, stainless steel furnishing
• Mist air shower capability for high-potency API environments

2. Esco PharmaPharmacon Cleanroom Air Showers

Esco Pharma supplies Pharmacon cleanroom air showers for pharmaceutical production, laboratory animal facilities, and medical device cleanrooms. Systems use H14 filtration and programmable operating sequences.

Three operating modes are available: one-way (entry only), two-way-one-way (detects entry vs exit direction), and two-way (activates in both directions). This makes them useful in pharmaceutical and lab animal research where egress contamination control is needed as much as entry control.

Key Features

• High velocity air jets above 20 m/s
• H14 filtration with 99.995% efficiency at 0.3 µm
• Stainless steel 304 adjustable nozzles
• Disposable pre-filter
• Microprocessor control with programmable operating modes
• Emergency stop buttons on both exterior sides
• Door status indicator lights
• Powder-coated steel; optional stainless steel construction
• Multiple modular widths and lengths

Best Suited For

• Pharmaceutical material transfer zones
• Laboratory animal research facilities
• Medical device cleanroom entry points
• Facilities requiring programmable one-way or two-way traffic modes

Advantages

• H14 filtration standard across the range
• Three programmable operating sequences for different traffic patterns
• Modular design supports different facility layouts
• Option for full stainless steel construction

3. Terra UniversalAir Showers, Tunnels, and Cleanroom Entry Systems

Terra Universal offers air showers, air shower tunnels, low-profile units, and cleanroom entry systems in multiple formats. It’s the most relevant option when a standard product needs to be sourced quickly from a US-based supplier with a wide format selection.

Tunnel systems are designed for high-traffic environments where single-person air showers would create entry bottlenecks during shift changes. Multiple units combine into a linear walk-through system.

Key Features

• HEPA or ULPA filtered air
• High velocity nozzles on side walls and ceiling
• Closed-loop filtration and recirculation
• Standard personnel and cargo air shower formats
• Air shower tunnels for high-traffic entry
• Low-profile units for limited ceiling height
• Multiple sizes and layout options

Best Suited For

• US cleanroom entrance projects
• High-traffic production cleanrooms with large shift teams
• Equipment and cart transfer applications
• Modular cleanroom system integration

Advantages

• Wide format selection from one supplier
• Air shower tunnel design for high-traffic entry
• US-based supply and support

4. Clean Air Products Modular Cleanroom Air Showers

Clean Air Products manufactures modular cleanroom air showers for industrial, pharmaceutical, and biomedical applications. Standard, low-profile, and tunnel configurations are all available.

Painted steel construction with magnetic door interlocks and microprocessor-controlled cycle timing. Custom configurations are offered for non-standard facility layouts.

Key Features

• High velocity filtered air with HEPA or ULPA filter options
• Adjustable air nozzles
• Magnetic door interlock system
• Microprocessor-controlled cycle times
• Touchscreen control panel
• Painted steel shell construction
• Low-profile versions for limited ceiling height
• Tunnel configurations for multiple-unit installations
• Custom layouts for non-standard entry points

Best Suited For

• Biomedical and pharmaceutical cleanrooms
• Industrial cleanrooms with custom entry layouts
• Low-ceiling installations requiring a reduced-height unit
• Tunnel applications for shift-change traffic

Advantages

• Modular construction simplifies shipping and installation
• Low-profile and tunnel options available from one manufacturer
• Touchscreen control standard on certain models
• Custom configurations available

5. CleanZones Cleanroom Air Showers in Flexible Configurations

CleanZones supplies cleanroom air showers in flexible material and configuration options, positioned at controlled entry and exit points to reduce contamination transfer.

The focus is on adaptable access control — flexible layout options, adjustable cycle times, and process controls that can be adapted to different facility designs.

Key Features

• HEPA filtered high velocity air
• Flexible configuration and material options
• Adjustable cycle time and process controls
• Air shower systems for personnel and equipment
• Controlled transition point between cleanroom zones

Best Suited For

• Aerospace and defense cleanrooms
• Healthcare facilities
• Industrial cleanrooms
• Facilities with non-standard entry layout requirements

Advantages

• Flexible configurations for different facility designs
• Material options for different environments
• US-based supplier with direct support

6. Airomax Programmable Cleanroom Air Showers

Airomax manufactures cleanroom air showers with selectable operating sequences and optional ULPA filtration. Air velocity is listed at 18–30 m/s depending on the configuration.

Three operating sequences — one-way, two-way-one-way, and two-way — are selectable. That flexibility is useful in pharmaceutical and lab animal research environments where directional contamination control is part of the process design.

Key Features

• 18–30 m/s air velocity range
• HEPA or ULPA filtration
• Adjustable stainless steel nozzles
• Three selectable operating sequences
• Optional differential pressure monitoring
• Assembled, modular, or unassembled shipment options

Best Suited For

• Pharmaceutical cleanrooms in India and Asia-Pacific
• Lab animal research and biohazard containment facilities
• Electronics cleanrooms
• Applications requiring ULPA filter specification

Advantages

• ULPA filter option available
• Three selectable traffic-direction modes
• Flexible shipment options (assembled or modular)
• India-market pricing and support

7. Cleanroom World Air Shower Product Catalogue and Cleanroom Accessories

Cleanroom World supplies a wide range of cleanroom air showers, blowers, and accessories. It’s most useful for buyers comparing multiple standard formats from a single source.

Product variants include straight-through, low-profile, three-door, ADA-compliant, and 90-degree turn configurations. Replacement blowers and accessories are also stocked.

Key Features

• Straight-through air showers
• Low-profile air showers
• ADA-compliant oversized air showers
• Three-door configurations
• Painted steel construction
• HEPA or ULPA filtration
• Adjustable high velocity nozzles
• Replacement blowers and accessories

Best Suited For

• Buyers comparing multiple air shower formats before specifying
• Labs and manufacturing facilities needing standard configurations
• Facilities with accessibility requirements (ADA compliance)
• Replacement part and accessory procurement

Advantages

• Wide format selection for comparison shopping
• ADA-compliant options available
• Replacement parts stocked alongside new units

8. Bionicsro Pharmaceutical Air Showers for Indian Markets

Bionicsro supplies personnel and cargo air showers for pharmaceutical, biotech, food-processing, and medical device cleanrooms, with a focus on the Indian market and local installation support.

Products cover stainless steel construction, HEPA filtration, electronic door interlocks, PLC or microprocessor controls, and custom chamber sizes.

Key Features

• Personnel and cargo air shower options
• Stainless steel construction
• HEPA filtration and door interlock system
• PLC or microprocessor control
• Custom chamber dimensions
• Local installation and testing assistance

Best Suited For

• Indian pharmaceutical cleanrooms
• Biotech and food-processing facilities in India
• Medical device cleanrooms
• Buyers seeking local installation support in South Asia

Advantages

• Local installation support — useful in India where international supplier site visits are slow
• Custom chamber size capability
• Stainless steel and HEPA as standard options

Air Shower Specifications to Compare

Comparing technical specifications is one of the best ways to evaluate different air shower manufacturers. Reviewing the same performance criteria across suppliers makes it easier to identify the system that best matches your cleanroom requirements and long-term operating needs.

Use this table when reviewing technical quotations. The final specification should always be confirmed with the manufacturer. Cleanroom class, traffic volume, chamber size, and installation requirements vary from project to project.

LENGE’s ASR-080090 air shower is a verified model with published specifications including chamber dimensions, nozzle count, air velocity, HEPA filter grade, and cycle time for direct comparison during procurement.

Air Shower Standards and Compliance

Reputable air shower manufacturers design their systems to support internationally recognized cleanroom and pharmaceutical standards. Understanding these requirements helps buyers compare suppliers and verify that the selected equipment is suitable for the intended application and regulatory environment.

An air shower supports the overall contamination-control strategy, but it does not replace it. Gowning procedures, cleaning SOPs, HVAC pressure cascades, environmental monitoring, and validated cleanroom processes all remain essential for maintaining cleanroom performance.

An air shower supports the contamination-control strategy. But it doesn’t replace it. Gowning SOPs, cleaning procedures, HVAC pressure cascades, environmental monitoring, and validated cleanroom procedures all remain necessary alongside the air shower.

ISO 14644-1

Classifies cleanroom air cleanliness by airborne particle concentration per cubic metre. The air shower helps reduce the particle load entering the cleanroom, but the room itself must be tested and classified separately.

ISO 14644-2

Covers cleanroom monitoring to provide evidence of ongoing performance. Air showers may be part of the contamination-control strategy but don’t replace the monitoring programme.

EU GMP Annex 1

Focuses on sterile medicinal product manufacturing and contamination control strategy. Where air showers are included in the facility design, they should be documented in the contamination control strategy (CCS).

FDA Aseptic Processing Guidance

Defines contamination-control expectations for US sterile drug manufacturing. Air showers may reduce entry-related particle risk, but proper facility design and SOPs remain the primary requirements.

WHO GMP

Sterile pharmaceutical facilities use graded clean areas with defined contamination-control expectations. Air showers may support personnel and material movement between grades when included in the validated facility design.

Installation Requirements for Air Showers

Poor installation creates problems that no specification can fix. The air shower layout needs to match the real movement of personnel, carts, and materials — not the diagram that looked good in the planning meeting.

• Available floor space and chamber footprint
• Ceiling height — especially important for top-mounted blower units
• Door swing direction and traffic flow pattern
• Power supply: voltage, phase, and frequency
• Floor level and structural support
• Integration with cleanroom wall panels using cleanroom-grade sealant
• HVAC and pressure cascade relationship to adjacent zones
• Drainage connection if a mist air shower is specified
• Pass box or airlock integration where required
• Emergency egress access
• Maintenance access for pre-filters, final filters, and blower

For facilities integrating air showers alongside fan filter units (FFUs) and HEPA ceiling systems, confirm that the air shower cycle dynamics don’t disturb the room pressure cascade during entry.

Preventive Maintenance Checklist

Filter replacement should not be based on a fixed calendar interval. Differential pressure readings, airflow measurements, run time, and manufacturer limits should all inform the decision.

Common Air Shower Troubleshooting Guide

Electrical faults, blower failures, and PLC control failures may require manufacturer support or a qualified electrical engineer. Don’t reset and continue without investigating the root cause.

How to Choose the Right Air Shower Manufacturer

1. Match the System to the Cleanroom Use Case

Single-person personnel entry, dual-person entry, cart and cargo transfer, tunnel for shift changes, or mist shower for API containment — these are different products. Don’t select a single-person air shower for a pallet-transfer application.

2. Confirm Filter Specification

HEPA or ULPA. Confirm the filter grade, efficiency rating, leak-test port access, filter replacement method, and local spare-filter availability. A filter that can’t be sourced locally creates a maintenance problem within 12 months.

3. Review Construction Material

Powder-coated steel is standard for general industrial cleanrooms. SS304 or SS316 is preferred for pharmaceutical, food-processing, and hospital environments where regular chemical cleaning is required. FRP is specified for corrosive chemical exposure conditions.

4. Check Controls and Monitoring

Interlocked doors are mandatory. Emergency stop on both sides is mandatory. Differential pressure gauge, air velocity display, filter-condition alarm, and digital cycle counter are strong indicators of a well-designed system.

5. Ask About Customisation

Chamber size, door direction, nozzle count and layout, voltage, stainless steel grade, mist system integration, and pass box connection. Confirm which of these can be specified before production, not after the order is placed.

6. Review Qualification and Service Support

For pharmaceutical applications: FAT, SAT, IQ, OQ. Spare parts lead time. Filter availability. Local installation and commissioning support. A low purchase price is not useful if filter replacement takes 12 weeks.

Air Shower Buyer’s Checklist

Complete this checklist before requesting quotations. It prevents the back-and-forth that adds 3–4 weeks to every procurement process.

• Cleanroom class and applicable GMP grade
• Number of personnel entering per shift
• Personnel only, or personnel and carts/cargo
• Entry only, or entry and exit (two-way)
• Required chamber size
• Available ceiling height
• Door layout: straight-through, 90-degree, or tunnel
• HEPA or ULPA filter choice
• Required air velocity
• Construction material: powder-coated steel, SS304, SS316, or FRP
• Site voltage, phase, and frequency (especially for 480V systems)
• Monitoring requirements: differential pressure, airflow, alarms
• Maintenance access requirements
• Local spare-filter availability
• Qualification documents required: FAT, SAT, IQ, OQ
• Budget and delivery lead time

For related cleanroom infrastructure alongside the air shower — dispensing booths, pass boxes, laminar airflow systems — see LENGE’s HEPA box range and integrated cleanroom purification equipment.

Conclusion

Cleanroom air showers reduce particulate transfer at entry points using HEPA filtered or ULPA filtered high velocity air, adjustable nozzles, and door interlocks. They’re one part of the contamination-control strategy — not the whole thing.

Cleanroom Class & ComplianceChoose an air shower that meets your required cleanroom classification and any applicable GMP, ISO, or industry-specific standards.Choose air shower manufacturers with proven experience in supplying validated systems for your target cleanroom industry and compliance requirements.

Service, Customization & Technical SupportEvaluate the manufacturer's engineering support, spare parts availability, installation assistance, and after-sales service before making a purchase decision.The best air shower manufacturers provide custom engineering, responsive technical support, and long-term service throughout the equipment lifecycle.

As an experienced cleanroom air shower manufacturer, LENGE designs and manufactures cleanroom air showers and mist air showers with HEPA-filtered high-velocity airflow, stainless steel nozzles, differential pressure monitoring, and customizable configurations for pharmaceutical, biotechnology, electronics, and other controlled environments. Request a quote from LENGE's air shower engineering teamto discuss your project requirements and receive expert product recommendations.

FAQs

What does an air shower do in a cleanroom?

It removes loose dust, lint, fibres, and particulate matter from garments, carts, and material surfaces before they enter a cleanroom. High velocity HEPA filtered air exits through adjustable nozzles at 20–30 m/s, dislodging particles that return through low-level grilles and pass through the filtration system.

How long should an air shower cycle last?

10 to 30 seconds in most installations. The setting depends on the cleanroom SOP, contamination risk, and manufacturer recommendation. Too short and the scrubbing action is incomplete. Too long and the entry point becomes a bottleneck.

What is the difference between HEPA and ULPA filters in an air shower?

HEPA: standard in most pharmaceutical and food-processing air showers. Lower pressure drop, lower cost, easier to replace.

ULPA: specified for semiconductor, microelectronics, and strict particle-control environments. Higher efficiency for smaller particles, higher pressure drop, higher cost.

Filter selection should be driven by cleanroom class, contamination risk, and airflow design — not just filter grade on paper.

What air velocity is used in cleanroom air showers?

Most systems operate between 20 and 30 m/s at the nozzle exit. That velocity creates the scrubbing force on garment surfaces. Below 20 m/s, particle removal becomes less effective. The exact figure depends on the chamber design and the distance between nozzle and surface.

Is an air shower required for every cleanroom?

No. The need depends on cleanroom class, process risk, personnel flow, and the facility’s contamination-control strategy. Lower-grade cleanrooms may use gowning and sticky floor mats as the primary entry controls. Higher-grade GMP environments — especially aseptic pharmaceutical production — typically include air showers.

What is the difference between a personnel air shower and a cargo air shower?

• Personnel air shower: designed for individual workers in cleanroom garments. Standard chamber dimensions, manual swing doors, 10–30 second cycle.
• Cargo air shower: larger chamber, wider doors, sometimes with floor tracks. Used for carts, pallets, drums, and equipment. Not interchangeable with a personnel air shower.

What is a mist air shower?

A mist air shower adds fine water mist to the air jet cycle. It’s used in powder-control applications — particularly where potent API powders or fine particulates need to be wetted and bound before personnel leave a containment area. Standard air showers alone can suspend fine powders rather than removing them.

How often should air shower filters be replaced?

Pre-filters: monthly inspection, replace when differential pressure reaches the rated limit or loading is visible. Terminal HEPA or ULPA filters: service life of several years with proper pre-filter maintenance. Replacement should be based on differential pressure readings, airflow measurements, and integrity test results — not a fixed calendar date.

What should I ask an air shower manufacturer before buying?

• What is the nozzle air velocity specification?
• Is the filter HEPA or ULPA, and what grade exactly?
• Can the chamber dimensions, voltage, and nozzle layout be customised?
• What monitoring is included as standard vs optional?
• Are FAT, SAT, IQ, and OQ documents available?
• Who installs and commissions the system?
• Are replacement filters available locally, and what are the lead times?

Is an air shower enough to prevent cleanroom contamination?

No. An air shower removes loose surface particles. It doesn’t remove contamination from clothing fibres, skin, or improperly gowned personnel. Gowning SOPs, cleaning procedures, HVAC pressure cascades, environmental monitoring, and validated cleanroom procedures all need to work alongside the air shower.

Sources

1. LENGE Purification — "Air Shower & Mist Air Shower" (Accessed June 2026)
2. LENGE Purification — "ASR-080090 Air Shower" (Accessed June 2026)
3. Esco Pharma — "Cleanroom Air Showers" (Accessed June 2026)
4. Terra Universal — "Air Showers and Tunnels" (Accessed June 2026)
5. Clean Air Products — "Cleanroom Air Showers" (Accessed June 2026)
6. CleanZones — "Cleanroom Straight Through Air Shower Supplier" (Accessed June 2026)
7. Airomax — "Air Shower" (Accessed June 2026)
8. Cleanroom World — "Cleanroom Air Showers" (Accessed June 2026)
9. Bionicsro — "Air Shower Manufacturers" (Published June 2026)
10. ISO — "ISO 14644-1:2015 Cleanroom Classification" (Published 2015)
11. ISO — "ISO 14644-2:2015 Cleanroom Monitoring" (Published 2015)
12. European Commission — "EU GMP Annex 1 Manufacture of Sterile Medicinal Products" (Published August 2022)
13. U.S. FDA — "Sterile Drug Products Produced by Aseptic Processing" (Current May 2020)
14. WHO — "WHO GMP for Sterile Pharmaceutical Products" (WHO TRS 961, Annex 6, 2011)