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ADG 40mm NIOSH Gas Mask Filter

The ADG 40mm NIOSH Gas Mask Filter is a P100-rated, NATO-threaded canister built by Airboss Defense Group, a primary respiratory protection supplier to the U.S. military. It delivers 99.97% filtration efficiency against airborne particulates, biological aerosols, smoke, and radiological dust, and threads directly into any standard 40mm NATO gas mask. Each filter ships factory-sealed to preserve shelf life. A solid choice for preparedness kits, range and training use, hazardous cleanup, wildfire smoke protection, and any loadout running an M40, C4, MIRA, Avon, or surplus NATO-threaded mask.

In stock

SKU
S70013
Style
Military, Tactical
$12.95
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  • Buy 3 for $9.95 each and save 23%

Description

Features

  1. NIOSH P100 Rated — Certified to capture 99.97% of airborne particulates down to 0.3 microns, including dust, fumes, smoke, and mists.
  2. 40mm NATO Threads — Standard EN 148-1 40mm threaded connection fits any NATO-compatible gas mask or respirator.
  3. Made in the USA — Manufactured by Airboss Defense Group (ADG), the same supplier trusted by U.S. military and first-response agencies.
  4. High-Efficiency Particulate Filtration — HEPA-grade media protects against biological aerosols, radioactive particulates, and industrial contaminants.
  5. Sealed Factory Packaging — Each canister ships individually sealed to preserve filter integrity and maximize shelf life.
  6. Compact Cylindrical Profile — Low-bulk canister design keeps the filter out of your sight picture and balanced on the mask.
  7. Broad Mask Compatibility — Works with M40, MCU-2/P, C4, Avon, MIRA, Israeli, Finnish, Polish, and other 40mm NATO-threaded masks.
  8. Preparedness Grade — Suitable for civil defense kits, range training, abatement work, wildfire smoke, and CBRN preparedness loadouts.

More Information

Customer Reviews

5

12 reviews

100% of customers recommend this product

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Top customer reviews

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  1. BudgetBuyer23

    Verified Buyer

    Fits my mask and works good

    Overall Rating

    Value

    Price

    Quality

    Screwed right onto my NATO mask no problem. The P100 rating gives me peace of mind for dust and stuff. Only had it a week but so far so good.

    Easy install
    Solid build quality

  2. Tippmann

    Verified Buyer

    Threaded right onto my mask

    Value

    Overall Rating

    Price

    Quality

    Got this for my surplus mask and it screwed right on no problem the NATO threads matched perfect. I wore it for about an hour cleaning out my garage with some chemicals and didnt smell a thing which was great. Breathing is a little harder than I expected but that's just how these P100 filters are I guess. Solid filter for the price.

    Blocks smells and dust good

  3. Chan

    Verified Buyer

    Solid filter, fits perfect on my mask

    Value

    Overall Rating

    Price

    Quality

    Got this for my MIRA mask and it threads on smooth with no wobble. Breatheing through it is way easier than I expected for a P100 rated filter. Feels like quality and the NIOSH rating gives me peace of mind for actual emergencies.

    Genuine NIOSH P100 rating,Easy to breathe through

    Wish it came in a 2-pack option

  4. Chris

    Verified Buyer

    American made P100 filter at a great price

    Value

    Overall Rating

    Price

    Quality

    Finally a quality 40mm filter thats actually made in the USA and NIOSH approved. Ive been running surplus Israeli and Finnish filters on my masks for years and always wondered if they were actually still good or just expensive paperweights. Grabbed 2 of these ADG filters from Airboss Defense Group and the peace of mind alone is worth it. P100 rated means 99.97% filtration efficiency against particulates dust, smoke, fumes, all of it. The standard 40mm NATO threads screwed right into my MIRA CM-6M and my surplus M40 with zero issues. The build quality is solid, noticeably heavier and more robust than the cheap Chinese filters you see on Amazon. New in factory sealed packaging so theres no guessing about shelf life or storage conditions. If your serious about your gas mask setup stop running expired surplus filters and get something thats actually certified

    NIOSH approved P100 rating, 99.97% particulate filtration efficiency
    Made in the USA by Airboss Defense Group, not mystery surplus

    Only protects against particulates unless paired with a compatible multi-gas system

  5. Julio

    Verified Buyer

    Professional grade filter you can actually trust

    Value

    Overall Rating

    Price

    Quality

    In my line of work I cannot afford to gamble on cheap respiratory protection and this ADG filter gives me zero concerns. I have used it in dusty demolition environments and around chemical fumes and it performed flawlessly every time. The P100 rating is the highest particulate filtration level you can get and the fact that it also provides some protection against certain gases and vapors makes it incredibly versatile. If you need a filter that meets strict professional safety standards and is made right here in America this is the one to buy.

    Versatile protection against particulates and certain gases and vapors

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