Front view of C420 PAPR system with LBM Low-Burden Mask in cloud of smoke

AirBossC420PAPR System

Key Features

The C420 PAPR system filters contaminants from ambient air and provides constant, filtered airflow to the facepiece. Cool, filtered airflow provides a high degree of comfort, extending user operational endurance for long durations, even in the harshest environments. The C420 is a time-tested choice among military, law enforcement, and first responders.

Decontaminable and lightweight

Our unique design allows the C420 PAPR system to remain economical in weight while simultaneously decontaminable after contact with contaminants.

Greatly reduces pulmonary stress

The positive pressure environment provides a great reduction in pulmonary stress for the user.

Battlefield proven technology

Developed alongside the military professionals to be best suited for their needs.


  • 1.44 lb (653 g) blower only
  • 3.75 lb (1.7 kg) with 2 cartridges and battery
Flow Rate
From 115 to 140 lpm exceeds NIOSH minimum requirements
Overall Dimensions
  • Width: 8.12 in (206 mm)
  • Height: 9 in (229 mm)
  • Depth: 3 in (76 mm)
  • Non-rechargeable operates 7+ hours
  • Rechargeable operates 4 hours
Temperature Range
-26° F to 120° F (-32° C to 49° C)
Electromagnetic Interference (EMI)
MIL-STD-461C, Part 4, RE102
Water and dust protection to IP68 with inlet and outlet ports covered
Expected Working Life
> 1,000 hrs (per EA-DTL-1827)
EN 148-1 (40mm) NATO thread

NOTE 1: C420 live agent permeation testing of ADG C420 models, conducted at Aberdeen Proving Grounds, by the U.S. Army, featuring live agent concentration levels in excess of PAPR IDLH levels, still resulted in non-detect readings for agent permeation.
NOTE 2: This product is under the jurisdiction of the U.S. Department of Commerce and has an Export Classification Control Number (ECCN) of 1A004.a. Transfer of hardware or related technical data may require an export license, depending on the country of ultimate destination and end-user, and will be determined on a case-by-case basis.
NOTE 3: The NIOSH-approved respirator can interface with the Multipurpose Hydration System (MPHS) and the CamelBak Hydration System but the full configuration to include either hydration system is not NIOSH approved.

Works with these products

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Cover of the C420 PAPR System brochure

C420 PAPR System

The C420 PAPR is the most popular first-responder PAPR system in the world. Proven in military, tactical, aviation, and industrial applications.

Cover of the Filters and Cartridges brochure

Filters and Cartridges

AirBoss filters protect against a wide range of chem-bio agents and contaminants. Our filters can be used individually or in a dual configuration.

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