16" x 18" or 18" x 16" Cube Core Eggcrate Return Air Grille Powder-Coat + Product Spec Sheet Outdoor

+ Product Spec Sheet Outdoor Louver Spec Sheet

85" width X 9

+ Product Details Size – 50"w X 20"h is the size for the duct opening measurement only

+ Product Details Size – 14"w X 22"h is the size for the duct opening measurement only

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16" x 18" or 18" x 16" Cube Core Eggcrate Return Air Grille Powder-Coat + Product Spec Sheet Outdoor+ Product Details Size 16" x 18" or 18" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" X 19. 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