3M 7500 Series Half Face Respirator 3M 7500 Series Half Face Respirator has a soft sealing surface and low breathing resistance, making it comfortable to wear for long periods of time. It also has a Cool Flow Valve which reduces heat build-up by allowing the warm exhaled air to escape. The twin filter design allows for even distribution of weight and minimal obstruction to your field of vision, and the bayonet style connection fits a broad range of filters. This mask has a unique head harness and an optional drop-down strap design which provides stability and ease of use. It is also available in 7502 – Medium and 7503 – Large to suit your head size.
