Vent Systems 10"x10" Inch Air Vent Cover - White - Air Vent Louver - Grill Cover - Built-in Insect Screen - Straight Back, Without Flange - HVAC Vents for Bathroom, Home Office, Kitchen - Amazon.com
GT Grille Mesh1 4"x8" - Air Vent Grilles - Mockett
Grille for 25" x 20" rough opening, overall size 27" x 22"
Pro-Linear Vent Cover | Metal Grilles | Vent and Cover
Linear Design 4” x 30” Cast Aluminum Air Return Grille | Floor Registers and Grills
Vent covers and panels (custom designs and sizes) — TG Woodworking
2PCS Air Vent,TTZEZE Heavy Duty Aluminium Alloy Ventilation Grille Rectangle Metal Louvered Grill Cover for Wardrobe Stove Shoes Cabinet Sink Kitchen Bathroom Side Wall Ceiling and Floor Exhaust Vent - Amazon.com
Air 360 Air Vent Covers Wall AC Grille – Premium 20 x 6 Inch Register Vent Cover – Durable Rustproof Aluminum Wall Vent – Multi-Shutter Damper – Individually Adjustable Front Blades, White - Amazon.com
Architectural Grille AG20 Series 4 in. x 36 in. Solid Aluminum Fixed Bar Supply/Return Air Vent Grille, White-Gloss 200043603 - The Home Depot
Everbilt 14 in. x 8 in. Steel Return Air Grille in White E17014X08 - The Home Depot
Oatey Sure-Vent Air Admittance Valve Wall Box with Metal Vent Cover 39010 - The Home Depot