Moldex® 2740 Series R95 Particulate Respirator features a HandyStrap® with buckle allows mask to hang around neck when not in use. Ventex® valve lets the hot air out faster so workers breathe easier and stay cooler and the soft foam nose flange for added comfort and no pressure points. These also contain Dura-Mesh® shell resists collapsing lasts longer so workers use fewer masks. The Softspun lining increases comfort and durability. Flame retardants are added to the shell to help decrease flammability. NIOSH certified to have a filter efficiency of 95% or greater against both oil and non-oil based particulates.