White, 4" Hooded Vent, Hooded Exhaust Vent For All Side Walls, Classic Design & Function For Venting Air Through Side Walls, Built In Concealed Exhaust Flap Stays Closed When Not In Use, Accommodates All Sizes & Types Of Siding, Maintenance Free, Color Molded Through, Comes Complete With 8" Aluminum Tube, 4" Diameter, Net Free Area 12 SQIN.