The 3M 6500 Series Rugged Comfort Half-Mask Respirator has a lightly textured silicone face seal and strong body construction for durability and stability in the toughest environments. Cool Flow valve reduces heat and moisture buildup and makes breathing easier and the innovative exhalation valve cover directs breath and moisture downward to reduce eyewear fogging. Low-profile half-facepiece design offers better compatibility with welding and grinding shields. Feature a three-size adjustable head cradle to give you an optimal fit. Remove half-mask respirator without having to take off your hard hat using the quick latch quick-release system. Compatible with all bayonet-style 3M cartridges and filters (sold separately).