Broan
Use on bath exhaust fans, contains roof cap, 4-inch metal duct connector, 4-inch clamps, 4 to 3-inch reducer, 8-ft. of 4-inch flexible hose.
Lambro 4 inch Recessed Soffit Exhaust Dryer Vent Damper Removable Screen
Lambro 4 inch Aluminum Snap-Lock Pipe – 24 inch Length – Item #229
Lambro 3 inch Galvanized Steel Worm Gear Clamp – Item #283
Broan-NuTone® Bath Exhaust Fan 50 CFM ENERGY STAR
Imperial 4" to 3" Reducer Aluminum Reducer & Increaser
