6" x 22" or 22" x 6" Cube Core Eggcrate Return Air Grille 6" Diameter Location – ceiling and sidewall

Location – ceiling and sidewall

this guard ensures long-lasting protection while offering a sleek

Built with rust-resistant aluminum and a scratch-resistant powder-coated finish

Actual Filter Size – 15 3/4"w x 25 3/4" x 1"

Actual Filter Size – 24 3/4"w x 27 3/4" x 1"

6" x 22" or 22" x 6" Cube Core Eggcrate Return Air Grille 6" Diameter Location – ceiling and sidewall+ Product Details Size 6" x 22" or 22" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 23. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing