MOL2730N100 / 2730N100 RESPIRATOR N100 SZ MED/LRG W/ 2730 N100 Particulate Respirator with HandyStrap® Recommended for environments where an OSHA substance specific standard applies (lead, cadmium, arsenic, MDA), pharmaceutical manufacturing, welding, cutting, brazing, torch cutting and metal pouring. The 2730 N100 Particulate Respirator is 99.97% effective against non-oil based particulates. Dura-Mesh® shell protects filter media. Softspun® lining, soft foam full flange, Ventex® valve and stretch cloth HandyStrap® with buckle keep mask cool and comfortable, yet securely fitted to wearer. HandyStrap® allows mask to hang around neck when not in use. N100 Particulate Respirator is available in two sizes and meets NIOSH 42CFR84 Standard. Sold per box.