Air Systems International 43 1/2" Polyethylene Ventilation Foam Nitrile Constructed with high density polyethylene

Constructed with high density polyethylene for weather

1 AAA MEMBERSHIP BROCHUR

you'll be able to haul in enough water for you and your whole crew

and have a universal size

Air Systems International 43 1/2" Polyethylene Ventilation Foam Nitrile Constructed with high density polyethyleneItem Details: Air Systems International Industrial Saddle Vent Ventilation for confined space measuring 14 1 2" X 3 1 2" X 43 1 2" provides continuous access to the manhole for either entry or egress. It has 8" OD top and bottom opening with temperature ranging 158 250 deg F. It takes up only 3" in a manhole and acts as a fresh air conduit to the workers. It increases worker productivity ability to perform confined entry rescue and is used in non