TheKlein Tools N95 Disposable Respirators, Nos. 6044010 and 604403, are designed to be used while grinding or sanding. Outfitted with an elastic head strap for better fit and flexibility, the N95 has a contoured fabric nose piece and conforms to 42CFR Part 84 and is NIOSH approved. These disposable respirators are available in two different packages: 3-pack/blister pack (No. 604403) and 10-pack/box (No. 6044010).