Jackson Safety R20 P95 OV Particulate Respirator with Comfort Straps and Dual Valves (64560), Nuisance Level Organic Vapor Relief , White with Yellow Valves, 80 Respirators / Case, 10 / Box, 8 Boxes . When youªre welding, the Jackson Safety R20 P95 OV Particulate Respirators (Dual Valve) can help protect you from the fumes of your job. These comfortable respirators are a smart piece of personal protective equipment (PPE) and feature wide, adjustable head straps that help provide all-day comfort. They are effective against all oil-based and non-oil-based particulate aerosols and dust that do not emit harmful vapors . The built-in carbon layer reduces exposure to nuisance levels of organic vapors. The respirators have two exhalation valves designed and positioned to help reduce eyewear fogging and feature a soft, comfortable foam nose pad with a cloth layer. The NIOSH P95-rated molded respirators are made for all-day comfort and meet heat and flame resistance standards, per ANSI / ISEA 110-2009 standards . The particle masks are not made with natural rubber latex , reducing worry for those with latex allergies. Trust Jackson Safety OV Particulate Respirators to help you breathe easy on the job.