26" x 26" Cube Core Eggcrate Return Air Grille Color_R-4.2 Yellow Our grilles feature a durable

Our grilles feature a durable powder-coat finish

+ Product Details Size – 25"w X 18"h is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 5 3/4" x 1"

Just run your finger along the edge of the top plate and you’ll find a smooth finished surface

75"H – fits a 10" X 10" duct opening

26" x 26" Cube Core Eggcrate Return Air Grille Color_R-4.2 Yellow Our grilles feature a durable+ 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