22" x 24" or 24" x 22" Cube Core Eggcrate Return Air Grille Copper Coil + Product Details Size -

+ Product Details Size - The listed 10" diameter refers specifically to the size of the duct opening

Designed for a 1" thick filter

actual front end outer dimensions are approximately 12 5/8" width X 34 5/8" height

+ Product Details Size – 18"w X 22"h is the size for the duct opening measurement only

Quality Packaging - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

22" x 24" or 24" x 22" Cube Core Eggcrate Return Air Grille Copper Coil + Product Details Size -+ Product Details Size 22" x 24" or 24" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 25. 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