factually
Index/Topics/CBRN filter certification

CBRN filter certification

The certification of CBRN filters by organizations like NIOSH

Fact-Checks

2 results
Jan 17, 2026
Most Viewed

What certified filters protect against CS and CN tear agents and how long do they last?

Certified filters intended to protect against riot-control agents like CS (o‑chlorobenzylidene malononitrile) and CN (chloroacetophenone) are sold as RCA/CBRN cartridges meeting standards such as NIOS...

Jan 22, 2026

Which NIOSH filter model numbers are certified for CN/CS and where can their approval documents be viewed?

No document in the supplied reporting explicitly lists filter model numbers certified for protection against the chemical agents CN (chloroacetophenone) or CS (o‑chloroacetophenylidene malononitrile);...