3M 1700 Filter Holder is a containment filter used with 3M model 1200 respirators to secure particulate filters and protect the user. - Used to hold 3M Filters 1744 and 1744C (filter 1744 dan 1744C dijual terpisah) - For use with 3M Single-Cartridge Facepiece Reusable Respirator Series 1200 - Compact design increases vision and safety. - Lightweight body and cradle head harness increase comfort.