8" x 26" or 26" x 8" Cube Core Eggcrate Return Air Grille Powder-Coat As The Hot Air Will

As The Hot Air Will Flow Up & Out

+ Product Details Size – 12"w X 18"h is the size for the duct opening measurement only

Actual Filter Size – 7 3/4"w x 9 3/4" x 1"

+ Product Details Size - 16"w X 20"h is the size for the duct opening measurement only

8" x 26" or 26" x 8" Cube Core Eggcrate Return Air Grille Powder-Coat As The Hot Air Will+ Product Details Size 8" x 26" or 26" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 27. 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