8" x 8" Cube Core Eggcrate Return Air Grille Powder Coated + Product Details Size –

+ Product Details Size – 4"w X 10"h or 10"w X 4"h is the size for the duct opening measurement only

Crafted meticulously from high-quality steel

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+ Product Details Size – 10" x 30" or 30" x 10" is the size for the duct opening measurement only

Pressure Rating: 2100 to 7000 PSI

8" x 8" Cube Core Eggcrate Return Air Grille Powder Coated + Product Details Size –+ Product Details Size 8" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 9. 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 electric bills