Moldex R95 Medium. Large Particulate Disposable Respirator has soft foam full cushion eliminates pressure points for added comfort and is NIOSH certified under 42CFR84 regulations to have a filter efficiency level of 95% or greater against oil and non-oil based particulate aerosols up to 10x PEL. It comes with Handystrap that allows mask to conveniently hang down around the neck, exclusive Ventex valve that lets the hot air out faster so breathing resistance is reduced and Dura-Mesh shell which protects filter media and resists collapse so the respirator holds its shape longer. Respirator is 100% free and features R95 protection against both oil and non-oil based particulate aerosols. It is applicable in hot, humid and dusty environments such as welding, soldering and brazing, grinding, sanding, sweeping, bagging, stone quarrying, metal machining, cement, underground mining, polishing, buffing, lime, poultry and textiles. Respirator is sold as 10 per box.