3M 7500 Series Premium Half Mask excluding filters -   Reusable half masks that combine unrivalled levels of wearer comfort with fully replaceable parts for maximum durability and quality.- Available in 3 sizes - Utilises all of the 3M™ 2000, 5000 and 6000 Series Filters- Soft silicone material provides unparalleled wearer comfort- 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