6" x 10" or 10" x 6" Cube Core Eggcrate Return Air Grille w20h20 3/4" - 2981 PSI

3/4" - 2981 PSI

10"w X 6"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 22"w X 20"h is the size for the duct opening measurement only

actual front end outer dimensions are 31

actual front end outer dimensions are 15" Width X 15" Height

6" x 10" or 10" x 6" Cube Core Eggcrate Return Air Grille w20h20 3/4" - 2981 PSI+ Product Details Size 6" x 10" or 10" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 11. 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