3MT 7502 Med Silicone Half Mask was designed with the wearer in mind. Soft sealing surface along with a uniquely designed 3M Cool Flow Exhalation Valve enhances wearer comfort and face fit. Made from a durable silicone and can be used with any of the 3MT Filters and Cartridges, Series 2000, 5000, 6000 and 7093. New cool flow exhalation valve designed to help make breathing easier; also helps to reduce heat and moisture build up in mask. Durable and heat resistant, made from soft resilient silicone and heat-resistant. Advanced silicone material provides a softer feel on the face. Unique adjustments design helps to reduce tension and pressure points on the face providing unsurpassed comfort and helps reduce ring around the nose. Dual-mode head harness design adjust easily allowing user the option of wearing the respirator in either the traditional or drop down mode.