| MIRA Safety NBC-77 SOF Gas Mask Filter SKU - 672241 The MIRA Safety NBC-77 SOF 40mm gas mask filter canister, in combination with a full-face mask, mouthpiece assembly, or PAPR, reliably protects air passages against a wide range of harmful and highly toxic substances includingall known CBRN agents.The... ... more MIRA Safety NBC-77 SOF Gas Mask Filter SKU - 672241 The MIRA Safety NBC-77 SOF 40mm gas mask filter canister, in combination with a full-face mask, mouthpiece assembly, or PAPR, reliably protects air passages against a wide range of harmful and highly toxic substances includingall known CBRN agents.The... | | $79.99 go to store |