For protection against certain particles, dusts, mists and fumes such as sanding, grinding, cutting, drilling metal, masonry, wood and concrete. Made from 3M high performance filter media for effective filtration efficiency. Lightweight and provides low breathing resistance. Suitable for use with 3Mâ„¢ Half Face Respirators 6000 / 6500QL / 7500 Series and 3Mâ„¢ Full Face Respirators 6000 Series. 1 pair per pack. Purchase 50 pairs to receive a carton.