The 3M™ Maintenance Free Half Face Respirator 4255+ is a ready-to-use, maintenance-free half respirator designed for effective and comfortable protection against organic vapour and particulate hazards found throughout industry (A2P2). Lightweight, low profile and well balanced design Textured face seal minimises slippage and improves comfort Use until damaged, particulate filters clog or gas filters become saturated Ideal for contractors, plant shutdowns and spill response Eliminates the need for a separate respirator, cartridge/filter or carrying out respirator maintenance