10" x 12" or 12" x 10" Cube Core Eggcrate Return Air Grille Compatible With Duct 8in + Product Details Size -

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

3 * insulation density is 30kgs/cbm = 0

+ Product Details Size - 14"w X 14"h X 2"d (for duct opening measurement only)

+ Product Details Size - 25"w X 4"h is the size for the duct opening measurement only

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

10" x 12" or 12" x 10" Cube Core Eggcrate Return Air Grille Compatible With Duct 8in + Product Details Size -+ Product Details Size 10" x 12" or 12" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 13. 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