Dundas Jafine BPMH4WZW6 4" ProMax White Exhaust Dryer Vent Hood, 4-Inch Removable pest screen for easy cleaning of lint and debris Snug fit back draft damper has been redesigned for superior noise reduction Snap on aluminum pipe to cap assembly eliminates the need for lint trapping staples Can be painted to match the homes exterior UV resistant plastic protects cap from harmful effects of the sun Snug fit back draft damper helps prevent cold air, snow or rain from entering the home Damper has been designed for superior noise reduction Removable pest screen that helps to keep pests out and allows for easy cleaning of the duct Snap on pipe to cap assembly that eliminates the need for lint trapping staples UV resistant coating to prevent the cap from discoloring; Paintable