MOLDEX EZ 22 Series EZ-ON® N95 Particulate Respirator - First NIOSH approved single strap disposable respirator. Easy on, easy off head harness for a quick fit. Pinch free - no metal nose band to pinch tight. Collapse-resistant Dura-Mesh shell. Adjustable strap for a custom fit. NIOSH certified to have a filter efficiency level of 95% or greater against particulate aerosols free of oil. Applications: 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. No oils present.