Kimberly-Clark Fluidshield N95 Particulate Filter Respirator and Surgical Mask is constructed with a fluid-resistant layer and a combination of materials to resist fluid penetration. It has Kimberly-Clark's signature So Soft lining, which is gentle against the skin, and a large breathing chamber for added comfort, pouch style. Two polyurethane headbands secure the mask to the face to help ensure a tight facial seal and prevent leakage around the mask edges. It is rated N95, demonstrating that it provides a minimum of 95% filtration efficiency of 0.3 micron particles (though it is not oil-resistant). It is rated as ASTM Level 3 fluid protection (for heavy fluid protection). When you need a reliable, comfortable particulate filter respirator to help protect your team, you can trust the NIOSH-approved Fluidshield N95 Particulate Filter Respirator and Surgical Mask by Kimberly-Clark. - Provides a minimum of 95% filtration efficiency of 0.3 micron particles (N95 rating); NIOSH approved - Made with a fluid-resistant layer and a combination of materials to resist fluid penetration; ASTM Level 3 (Heavy fluid protection) - Two polyurethane headbands secure the mask to the face to help ensure a tight facial seal and prevent leakage around the mask edges - Large, pouch-style breathing chamber and So Soft lining for added comfort