28" x 28" Cube Core Eggcrate Return Air Grille Compatible with Duct 10" where form meets function flawlessly

where form meets function flawlessly

14"w X 4"h Is The Size For The Duct Opening Measurement Only

During summer

+ Product Details Size – 24"w X 28"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 24"h is the size for the duct opening measurement only

28" x 28" Cube Core Eggcrate Return Air Grille Compatible with Duct 10" where form meets function flawlessly+ Product Details Size 28" x 28" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 75" X 29. 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