For 6" round duct for range hoods and bath ventilation fans

Built-in spring-loaded backdraft damper and bird screen to keep outside weather and pests from entering your home

Overall size showing on the surface is 9" square with a 5-1/2" hood and a 1-1/4" long attachment collar for 6" round ductwork (NOT for use with dryer venting)

Wall cap is made of 22 gauge CRCQ steel construction with a

025 natural aluminum finish for durability and long life