3M 6000 Series Respirator Medium Half Mask Facepiece with Adjustable Straps Size Medium 6200 with 2 Pairs of 3M 2071 Filters comfortable, soft, lightweight facepiece and easy-to-adjust head straps Can be disassembled, cleaned, reused and among lightest available 3M 2071 filters suggested applications: Grinding, Welding, Sanding, Sawing, Sweeping, Bagging etc. 95% filtration efficiency against solid and liquid aerosols including oils