LAMBRO INDUSTRIES 402 402 Roof Vent Kit | 7-Piece

Opening/closing damper prevents outside elements from entering the vent Screen prevents birds from nesting inside of vent Can be used in either 3 or 4 in installations Designed to prevent leaks with proper installation For bathroom or utility room ventilation. Includes black plastic roof cap with 1-3/4 in flange, 4 in x 8 ft flexible vinyl hose, 3 in adapter and 2 clamps. Includes: (1) 4 in Black Plastic Roof Cap (1) 3 in Collar (1) 4 in Collar (1) 4 in x 8 ft Vinyl Duct (1) 3 to 4 in or 4 to 3 in Black Plastic Adaptor (2) Adjustable Nylon Clamps For bathroom or utility room ventilation. Includes black plastic roof cap with 1-3/4 in flange, 4 in x 8 ft flexible vinyl hose, 3 in adapter and 2 clamps.