The 3M Full Face piece Reusable Respirator 6000 Series helps provide protection against certain airborne contaminants. Versatile—use with 3M particulate filters, gas/vapor cartridges and supplied air respirator systems. The 3M Cool Flow Valve helps make breathing easier. These features combine to make a comfortable, practical and economical solution. Recommended applications include assembly , chemical clean-up, chemical handling, chemical splash, chipping, chiseling, cleaning, furnace operations, grinding, laboratories, machining, masonry, painting, pouring/casting, sanding, sawing, and welding.