3M™ 4277+ Half Mask Reuseable Respirator Introducing 3M™ 4277+, this is a reusable half-mask respirator that provides lightweight, comfortable and effective protection against particles and vapours. Suitable for a broad range of industrial applications, the innovative comfort features help to ensure that the respirator is worn consistently over long periods. Design The 3M™ 4277+ respirator features integrated filters, which then enables the field of view to be undisturbed when being used. An adjustable head cradle helps fit a large variety of head sizes, with additional neck-straps for a more secure fitting. An exhalation valve that helps to direct exhaled breath and moisture downward to avoid fogging up glasses or face shields. Designed to work well with 3M Eyewear and Hearing Protection products. Protection Maintenance-free and ready to use with two large inhalation valves with permanently attached particulate filters. Delivering protection against organic particles and vapours. The 4277+ (FFABE1P3 R D) has protection against organic vapours and hazardous particles. Vapours up to 10 x Threshold Limit Value (TLV) or 1000 ppm, whichever is lower and 20 x TLV for particulates. Features and Benefits A ready-to-use half-mask respirator is designed for effective and comfortable protection against organic vapour and particulate hazards Respirators can be used until damaged, particulate filters clog, gas filters become saturated or after one month Exhalation valve centrally positioned for effective removal of heat and moisture Twin inhalation valves with large carbon filters Low profile design for better peripheral vision Adjustable head cradle and easy to fasten neck straps...