26" x 26" Cube Core Eggcrate Return Air Grille Color_R-4.2 Yellow 75"H – fits a 10"

75"H – fits a 10" X 10" duct opening

Our grilles feature a durable powder-coat finish

+ Product Details Size - 12"w X 34"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height

+ Product Details Size – 32"w X 22"h is the size for the duct opening measurement only

26" x 26" Cube Core Eggcrate Return Air Grille Color_R-4.2 Yellow 75"H – fits a 10"+ Product Details Size 26" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 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 electric