Use for higher level protection in environments where OSHA substance-specific standards apply. HandyStrap® allows the mask to hang around your neck when hot in use. Ventex® valve reduces hot air build-up. Dura-Mesh® shell resists collapsing in hot, humid environments. Flame retardants help decrease the flammability of the shell. Softspuni lining and a soft foam full cushion provide added comfort. NIOSH certified to have a filter efficiency of 99.97% or greater against particulate aerosols free of oil.more
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