Moldex 2310N99 Premium Particulate Respirator with Exhalation Valve Mechanics They are sold by the

They are sold by the each but Pureflo Helmets require (2) each battery packs to operate

topstitched

wall openings

8" x 15 Feet ducting and quick coupler

The systems all come conveniently packed in one box

Moldex 2310N99 Premium Particulate Respirator with Exhalation Valve Mechanics They are sold by theSold by bag of 10 each N99 for a higher level of protection. NIOSH certified to have a filter efficiency of 99% or greater against particulate aerosols free of oil. Suitable for most welding applications. Meets heat and flame resistance in accordance with ANSI ISEA 110 2003 Section 7. 11. 1. Workers stay cooler with an exhale valve that reduces breathing resistance and hot air build up. The exclusive Dura Mesh shell protects the filter media so it