Half-face-mask respirator provides excellent protection from non-oil-based particulates. Cool Flowâ„¢ exhalation valve reduces heat buildup keeping the wearer more comfortable. Adjustable nose clip and foam nose cushion help ensure a secure seal and a personalized fit. Electrostatically charged microfiber filter media. Elastic latex-free two-strap headband. Designed for grinding sanding sweeping and other dust-creating tasks. Respirator Type: Half-Face Mask; Rating: N95; Resistance: Non-Oil Based Particles; Valved: Yes.