Ready to use, lightweight, well balanced maintenance-free 3M 4251 Half Mask Respirator designed for effective and comfortable protection against organic vapour and particulate hazards found throughout industry. Low profile design for better peripheral vision. Soft, non-allergenic material with textured face seal. Exempt from maintenance requirements if disposed of within a month. Built in filters. Valve centrally positioned for effective removal of heat and moisture build up within face-piece. Adjustable head cradle with neck straps. General paint spraying, creosoting, solvent spraying, paint stripping, vehicle manufacturing. Conforms to EN405:2001-A1:2009 for valved filtering half-mask respirators for gases, vapours and particulate combinations.