| Adjustable straps allow a snug, comfortable fit. Molded nose bridge with full foam flange eliminates pressure points for added comfort. Ventex valve reduces breathing resistance and hot air buildup. Dura-Mesh shell protects the filter media so it stays cleaner looking longer. Resists collapsing in heat and humidity. Added flame retardants help reduce shell flammability. Softspun lining for increased comfort and durability. NIOSH certified to have a filter efficiency of 99.97% against oil and non-oil based particulates. One size only. 5 per box. Applications: Environments where an OSHA substance specific standard applies (lead, cadmium, arsenic, MDA) as well as pharmaceutical manufacturing, conventional and nuclear power generation, welding, cutting and metal pouring. For oil and non-oil based particulates. |
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