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Echo-Sigma · Hygiene & Sanitation
NBC-77 SOF CBRN Gas Mask Filter
Price today$79.99in stock
Price history
Price checked Oct 17, 2026, 6:34 AM ET from echo-sigma.com. History began Oct 17, 2026. Tax and shipping not included.
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What Echo-Sigma says
The 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 including all known CBRN agents.
Excerpt from the brand's product page.
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