Offering 95% filtration of airborne particles, N95 Disposable Respirator features flame-retardant outer layer that protects welding operators in environments where sparks and spatter could come in contact with mask. Reusable LPR-100 Half Mask Respirator, with pleated filter design, provides 99.97% filtration of airborne particles. Both types include Nuisance Level OV Relief filters for removal of Organic Vapors, and non-return exhaust valve that reduces heat build-up and user fatigue.