This soft, pliable thermoplastic respirator is perfect for limited use in organic vapor/paintspray applications. It can be worn multiple times and are simply thrown away when the cartridge is expended. No replacement parts makes these respirators virtually maintenance-free. Not for paints containing isocyanates. NIOSH approved. Available in size Medium or Large. Extra Pre-filters (sold 10 ea/bx) and retainers (sold individually) offered - compatible with other 3m 5000 & 6000 series respirators.