20" x 22" or 22" x 20" Cube Core Eggcrate Return Air Grille Compatible with Duct 10" Experience enhanced indoor comfort with

Experience enhanced indoor comfort with our 8" Radial Damper

Designed for sidewall and ceiling installation with included screws

12"w X 2"h Is The Size For The Duct Opening Measurement Only

actual front end outer dimensions are approximately 24 5/8" width X 38 5/8" height

20" x 22" or 22" x 20" Cube Core Eggcrate Return Air Grille Compatible with Duct 10" Experience enhanced indoor comfort with+ Product Details Size 20" x 22" or 22" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 75" X 23. 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