3M Half Mask Respirator Filters

3M 2138 P3 (Nuisance level Organic vapour and Acid gas) Particulate Filters

* Conforms to EN 143.

* For use in concentrations of particulates up to 20x Workplace Exposure Limit (WEL) when fitted to a 3M half mask or up to 40x WEL when fitted to a 3M full face mask.