Details Advance silicone material for increased comfort and greater durability. Proprietary 3M™ CoolFlow™ valve helps makes breathing easier. Dual-mode head harness adjusts easily for either standard or drop-down mode. Exhalation valve cover directs exhaled breath and moisture downward to reduce fogging. Color coded to indicate size (small, medium or large) for easy identification. DOSH SIRIM Approved The 7500 Series offers exceptionally high levels of wearer comfort and a good fit across a broad range of face shapes & sizes. Suitable for a broad range of industrial applications, the innovative comfort features help to ensure that the respirator is worn consistently over long periods. For a reusable respirator that’s comfortable to wear, use 3M™ Reusable Half Face Mask 7503. The facepiece has a soft sealing surface that’s been specially designed with the end-user in mind. Our large-size half-face mask features the 3M™ Cool Flow™ Valve to reduce heat build-up by allowing warm, exhaled air to escape. And with low breathing resistance, it’s comfortable to wear and work in for many hours at a time. The unique head harness fits well with our hardhats and hearing protection, and the optional drop-down strap design provides stability and ease of use. A twin-filter design means the weight is evenly distributed with minimal obstruction to your field of vision. It protects against gases, vapours and particulates, and the bayonet-style connection fits to a broad range of twin lightweight filters which can be equipped to your individual needs. It can be used with all 3M™ 2000, 5000 and 6000 Series filters and cartridges. The 7500 Series has a specially-designed range of spares and accessories to help you maintain the right level of comfort and protection when parts become worn or damaged.