Milwaukee Respirators come in a pack quantity of 20 with an FFP2 rating filtering facepiece that gives the trade up to 94% protection. Features of these high quality Milwaukee Face Masks include a flexible aluminium nose bridge allowing a fully adjustable fit, comfortable adjustable straps that are easy fit plus an anti-clogging inner layer to stay cool all day long. These Milwaukee Face Masks are compatible with Milwaukee Safety Eyewear and are European Certified as FFP2 disposable respirator according to EN149: 2001/A1:2009 CE 2797 Category 3