Bullard’s EVA Powered Air-Purifying Respirator (PAPR) is now NIOSH approved (TC-21C-0836 and TC-23C) with threaded (T-Series) quick-attach connections for the CC20, RT, and GR50 Series respirator hoods. The T-Series Quick-Attach connections provide a robust attachment of the breathing tube to the hood, with just a few simple turns. The EVA offers constant air flow in a compact, ergonomic, lightweight design. Bullard,www.bullard.com, (877) BULLARD. Circle 273 Bullard_300px.jpg