USGI NBC 40mm Gas Mask Filter

The USGI NBC 40mm Gas Mask Filter is a 40mm gas mask filter made by 3M and considered to be the best military gas mask filter available. Sealed for long term storage, the 3M FR-57 Filter has been tested extensively and proven to protect from threats.

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American Owned and Operated


20+ Years In Business

Returns Accepted

Ships from Pennsylvania



  • True NBC Certified Filter
  • Made by 3M - World Leader in Protection
  • Made to NATO Specifications
  • NSN#: 4240-01-480-1387
  • Works With Any 40mm Gas Mask - Israeli, US, and More
  • Sealed for Long Term Storage

More Information

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Customer Reviews

Great USGI NBC gas mask
Review by Jacody P.
Verified Buyer
Price is good and shipping was speedy.
Excellent USGI NBC gas mask
Review by Casimir L.
Verified Buyer
Satisfied with this company. The NBC gas mask fits well.
Thanks keepshooting
Review by Florentino Y.
Verified Buyer
The NBC gas mask looks good. Exactly what I wanted.
Good Order
Review by Daiel C.
Verified Buyer
Received in two days after ordering. Will be back to buy from KS again.

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