Defense N-B-1 40mm ABEK1P3 R Filter - Fits all 40mm Gas Masks – Parcil Safety
Chemical filter cartridge ABEK-Hg-P3 | Products | Traconed
Avon Protection on Twitter: "What does ABEK P mean? Each letter refers to certain groups of gases that the filter protects against (see image for details). #AvonAnswers https://t.co/q2TeGI6JVW" / Twitter