Amazon.com: 7 Inch Wall Vent Cap - Painted White Steel with Damper & Screen - Heavy Duty Hooded Metal Caps for Exterior Side Wall Exhaust - Spring Loaded Backdraft Damper by Vent
Master Flow 6 in. Round Wall Vent with Screen and Damper WVA6SD - The Home Depot
Wall Vent - Rain Screen - Metal - 6 Inch
Amazon.com: FAMCO Galvanized Steel Hooded Wall Vent With Damper, Dryer Vent Outlet Used For Air Exhaust Applications : Appliances
843BL by Broan - Broan-NuTone® Steel Wall Cap for 6" Round Duct with Backdraft Damper and Bird Screen, Black | Keith's Appliances
IMPERIAL 4-Inch Vent Cap PFRD with 3-Inch Pipe White in the HVAC Components department at Lowes.com
ICOOL 6 Inch Stainless Steel Dryer Vent Cover Outdoor External Extractor Wall Vent Cap Cushioned Non Return Flap Ducting Ventilation Vent Hood for Kitchen Bathroom Exhaust Outlet - Walmart.com