3 in. to 4 in. Roof Vent Kit for Round Duct Steel in Black

3 in. to 4 in. Roof Vent Kit for Round Duct Steel in BlackThe RVK1A Steel Roof Cap Kit is an easy to install vent for ventilation fans (bath, rec room, home gym, etc.). It is compatible with 3" or 4" ductwork and includes a 3" to 4" adapter for convenience. This cap features both a back draft damper and bird screen, preventing outside air from entering the home and birds and small pests from entering duct work. This kit includes all materials needed for installation, including 8 ft. of 4" flexible ducting,

The RVK1A Steel Roof Cap Kit is an easy-to-install vent for ventilation fans (bath, rec room, home gym, etc.). It is compatible with 3" or 4" ductwork and includes a 3" to 4" adapter for convenience. This cap features both a back draft damper and bird screen, preventing outside air from entering the home and birds and small pests from entering duct work. This kit includes all materials needed for installation, including 8 ft. of 4" flexible ducting, 4" metal duct connector, 4" to 3" Reducer, nylon zip ties and mounting screws. The flexible ducting conforms to UL 181 Class 1 Air Connector and CUL S110 requirements. Not suitable for dryer venting or flat roofs.

Features

Item Weight	3
Intake/Exhaust	Exhaust
Color/Finish	Black
Returnable	180-Day
Screen Included	Yes
Material	Galvanized Steel
Shape	Rectangular
Color Family	Black
Paintable/Stainable	Yes
Power Type	Non-Powered
Mounting Position	Roof Mount
UV Resistant	Yes
Features	Built-in Screen,UV Resistant
Product Weight (lb.)	2.3 lb
Product Depth (in.)	11 in
Cut-Out Width (in.)	5.25
Product Width (in.)	9.25 in
Product Height (in.)	4.375
Net-Free Area (Sq. In.)	13
Manufacturer Warranty	None