Feature

●Opening diameter is 4".
●Can be used with up to a 2" thick door.
●Self closing door will stay closed when not in use.
●Made with black polyethylene (heavy pvc).
●(Hose not included)


Description

4" Exhaust / Fresh Air 4" Port for Garage Door -Self Closing -for 2" Thick Doors

4" Garage Door Exhaust Port

A must have if you work on cars or other engines in an enclosed garage Overall diameter is 6".
Opening diameter is 4".
Can be used with up to a 2" thick door.
Self closing door will stay closed when not in use.
Made with black polyethylene (heavy pvc).