Product Description N95 Plus Nuisance OV/Ozone Relief NIOSH certified under 42CFR84 regulations to have a filter efficiency level of 95% or greater against particulate aerosols free of oil. Added carbon layer helps filter out ozone and organic vapor odors (less than OSHA PEL). Suitable for most welding fumes (free of oil). Fits easily under welding hoods. Breathes Easier By Design AirWave® — the valve-free respirator that breathes easier. More Surface, More Comfort. Easier breathing and cool comfort are what you get when you wear an AirWave respirator. The larger surface area of the patented wave design means more air flows in and out of the mask - all without a valve! Easy breathing... by design. More Flex, More Durability. The unique FlexFit® design moves with your mouth for comfort all day long. More comfort means AirWave is a mask that your workers will want to wear, and that means more compliance. Plus the Dura-Mesh® shell prevents collapsing from heat and humidity so your mask lasts longer. More Air. More Wear. When you can breath easier and you're more comfortable, you'll want to keep wearing AirWave! Longer wear meansless masks, less masks means more savings. Compliance and cost savings just got easier. Plus it's also metal free. New Exclusive SmartStrap®. It just keeps on getting better... the new SmartStrap allows the AirWave to hang from the neck when notin use. So it does not get thrown away and you use fewer masks. Plus its adjustable soft cloth strap feels cool and comfortable. Say goodbye to waste, hello to cost-savings! Applications Particulate aerosols free of oil. 4800 N95 Respirator With Premium Features: Relief from Nuisance levels of Organic Vapors Soft foam full flange for ultimate comfortable fit. Adjustable cool cloth SmartStrap for a custom fit. SmartStrap allows respirator to hang around the neck for convenient storage during breaks and to use longer. Collapse resistant Dura-Mesh shell helps respirator last longer, reduces waste and increases cost savings. FlexFit design moves easily as you talk and stays in place.