3M: Maintenance Free Half Mask, FFA1P2 R D Filters, 4251+ The 4000 series half-face masks from 3M are a convenient, ready-to-use solution. Designed to protect against a range of gases and vapours as well as particulate hazards, this maintenance-free half mask is extremely effective. Features and Benefits Adjustable head cradle and easy to fasten neck-straps for optimum fit Lightweight and well-balanced design for user comfort Exhalation valve, centrally positioned for effective removal of heat and moisture Two large bonded carbon filters for low breathing resistance Low profile design for an ideal peripheral vision Soft, non-allergenic facepiece material with textured face seal Typical Applications Occupational workplace use Standards EN 405:2001+A1:2009 89/686/EEC - Personal Protective Equipment Directive Notes Respirators can be used until damaged, particulate filters clog, gas filters become saturated after one month MPN: 7100113098 EAN: 04054596256156 Maintenance Free Half Mask,