Bath & Dryer Rooftop Appliance Vent (Grey), BDV4GR

Features: * The Master Flow Bath & Dryer Appliance Vent from GAF is a premium solution used to vent bathroom and kitchen exhaust fans, clothes dryers and other household appliances. The sleek, modern bath and dryer vent helps reduce the risk of mold growth and structural damage while helping to improve indoor air quality by venting heat and moisture outside thru the roof. * Vents heat and moisture from bathroom/ kitchen exhaust fans, clothes dryers and other household appliances through the roof * Passes 110 mph wind-driven rain testing per TAS 100(A) * Versatile removable duct collar helps simplify hookup to ductwork and makes lint/dust removal easy without the need to go on the roof * Each vent includes a noise-minimizing damper, heavy-duty removable stainless steel screen, removable duct collar, and 4" (102 mm) to 3" (76 mm) reducer