MaxxAir 00-933069 Original Vent Cover, Black - Walmart.com
BUILDMART - 24x12 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Walmart.com
4"x 10" VR-109 Heavy Duty Solid Cast Aluminum Floor Register | Wall Vent Cover | ( Overall 6" x 12") with Detachable Steel Metal Damper
Oatey Sure-Vent Air Admittance Valve Wall Box with Metal Vent Cover 39010 - The Home Depot
Industrial - Vent Cover Wood Registers for Wall/Ceiling | Stellar Air