Other Large and Odd Sized Floor Vent and Return Sizes
How to Find the Best Vent Covers for Your Home
Geesatis 2 Pcs Louvered Ventilation Grille Air Vent for Cabinet Shoe Cabinet Hardware Accessories Ventilation Cover, with Mounting Screws, Black, 9.8 x 3.1 inch / 250 x 80 mm - Amazon.com
Aluminum ventilation grill - LMT-S - MADEL - linear / for raised floors / for air supply and exhaust
Pro-Linear Vent Cover | Metal Grilles | Vent and Cover
Liveinu Vent Cover Return Air Grilles for Floor Ceiling and Sidewall HVAC Ventilation Floor Vent Covers Heavy Duty Floor Register for Floor Sidewall/Ceiling Register Grey 15x30cm - Amazon.com