alt Hacker NewsTC-84A-0510 is not a product. It is a certification for half-face masks + filter combos. The relevant certification for fullface masks+filters is TC-84A-070. (TC-84A-0701 or TC-84A-0704 more specifically)
TC-84A-0510 is not a product. It is a certification for half-face masks + filter combos. The relevant certification for fullface masks+filters is TC-84A-070. (TC-84A-0701 or TC-84A-0704 more specifically)
Handy that McMaster Carr has them 5541T605 Edit, I just noticed you posted the same link that's funny.