Suntown 4" Vent Cover - 2 Piece Construction with Snap on Cover for Siding Install - White - Flap
Manufactured in Canada. Heavy Duty Polypropylene Construction. The front face is removable, making it easy to install siding up to 5/8" thick. White all the way through. Maintenance free. One piece injection molded. Flap opens and closes with air-flow. No Screen attached on the rear. It is suggested that you install a wire mesh on the wall before installing this mounting block on the wall to prevent anything from getting in behind.