ICOOL 6 inch Stainless Steel Dryer Vent Cover Outdoor Air Vent Covers for Exterior Wall Vent Hood Cap Louvered Outlet Cover Airflow for Home Kitchen Office - Walmart.com
IMPERIAL Commercial/Residential Intake/Exhaust Vent Hood (Max) in the HVAC Components department at Lowes.com
Amazon.com: 4'' Inch Exhaust Hood Vent with Rain Cover and Flap, Brown, Indoor and Outdoor Air Vent Cover, HVAC Exhaust Vent Duct Cover, 6'' x 6'' Inch Exhaust Cap (4'' Inch, Brown) :