VP528 Wall Louver for 8" Duct Pipe

This wall louver comes complete with a gravity closing flap and is designed

for use with 8 inch diameter duct pipe. This wall cap is designed to allow

venting out the exterior wall of your house as oppose to venting through your attic out a roof cap. Wall cut out is 8 5/8 inches by 6 inches and

this cap features a 1 1/2 inch flange