No need to worry about separately ordering cartridges and having to spend the time attaching them, this respirator comes pre-assembled for your convenience! The Moldex 8000 pre-assembled multi-gas kit is designed to fit a wide variety of face shapes, the face piece has a wide seal while still maintaining a low profile so wearer will have a wide field of vision. The face piece is reusable to save on costs and new cartridges can be attached with a simple snap. Placement of the exhale valve makes communicating easier. This respirator comes assembled with two multi-gas smart cartridges, which replaces up to five different types of regular cartridges. Approved for organic vapors, ammonia, methylamine, chlorine, hydrogen chloride, sulfur dioxide, chlorine dioxide, hydrogen fluoride, formaldehyde, and hydrogen sulfide. Use the smart cartridges and simplify your inventory!