8" x 20" or 20" x 8" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper These grilles and registers give

These grilles and registers give you an extra measure of quality that are visible to your family members and house guests

+ Product Details Size - 8"w X 30"h is the size for the duct opening measurement only

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+ Product Details Size - 26"w X 14"h is the size for the duct opening measurement only

8" x 20" or 20" x 8" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper These grilles and registers give+ Product Details Size 8" x 20" or 20" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 21. 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