The Breather Box Grade-D Breathing Air Filtration (1-8 Users) Flow Capacity:48 cfm - 2 Outlets Tough and versatile

Tough and versatile

Calcium carbonate 420mg

Wide cut half-face opening

Replacement Outlet Valve for the RPB® 4000-20 Hot Air Tube

The Breather Box Grade-D Breathing Air Filtration (1-8 Users) Flow Capacity:48 cfm - 2 Outlets Tough and versatileThe Breather Box Portable Grade D Breathing Air Filtration with CO Monitor Industry Standard in Grade D Air Filtration Connected to a mobile or plant compressor, the Breather Box provides Grade D breathing air for 1 to 8 users (based on model) and continuously monitors for Carbon Monoxide (CO). CO O2 and Intrinsically Safe Models are also available. Features The Breather Box Works with ANY Airline Respirator Brand. Carbon Monoxide (CO) monitor (CO O2