3M 7500 series half masks are reusable respirators that combine new levels of wearer comfort with fully replaceable parts for maximum durability and quality. Available in 3 sizes of facepiece: 7501 - Small 7502 - Medium 7503 - Large Utilises all of the 3M 2000, 5000 and 6000 series filters and cartridges. Soft silicone material provides unparalleled wearer comfort. Patented 3M Cool Flow Valve provides easier breathing and reduced heat and moisture build-up. Unique head harness and yoke design provides greater stability and more comfort. Durable and reusable respirator with replaceable parts. EN140:1998/CE marked.