Broan-Nutone 3 In./4 In. Exhaust Fan Roof Vent Kit (7-Piece) glazed baking stone The connection for gutter to

The connection for gutter to the vertical part of the gutter system

3-prong extension bar that slides on a steel rod

so it is important that the nails are applied to green concrete

Finished opening width 3' 0"

Bonds to vinyl

Broan-Nutone 3 In./4 In. Exhaust Fan Roof Vent Kit (7-Piece) glazed baking stone The connection for gutter toRoof vent kit for complete roof ducting installation of exhaust fans with 3 inch or 4 inch duct connector. Kit includes: Black steel roof cap with built in back draft damper and bird screen, 4 inch diameter metal duct connector, 2 nylon zip ties, 3 inch to 4 inch duct adapter, 8 feet of 4 inch diameter flexible foil ducting (conforms to UL181 Class 1 air connector requirements). Also includes neoprene foam strip which can be used to increase duct