Lightweight CBRN Gas Mask Filter – NBC-17 SOF® 40mm Nato Filter – 10 Year Shelf Life gas mask They are designed to fit

They are designed to fit standard 40-mm NATO threaded masks and have a long shelf life

that combination is rare

C21™ Full Face Respirator Size Recommendations

giving you more flexibility to match your equipment to your environment:

Lightweight CBRN Gas Mask Filter – NBC-17 SOF® 40mm Nato Filter – 10 Year Shelf Life gas mask They are designed to fitThe NBC 17 SOF 40mm NATO filter canister, in combination with a full face gas mask, mouthpiece assembly, TAPR, or PAPR, reliably protects air passages against a wide range of harmful substances including CBRN agents. The CBRN gas mask filters are produced with standard NATO 40mm round threads according to STANAG 4155 (EN 148 1) Rd 40x1 7". The CBRN filter components are made of hard plastic. This results in a very robust product that is extremely