- Resilient silicone faceseal provides comfort, durability, and stability with a soft but firm seal
- Proprietary Cool Flow valve helps reduce heat and moisture
- Exhalation valve cover helps direct exhaled breath and moisture downward to reduce fogging of eyewear and grinding and welding shields
- Compatible with all 3M bayonet-style cartridges and filters
- Adjustable head harness assembly offers improved fit and comfort
