22" x 32" or 32" x 22" Cube Core Eggcrate Return Air Grille w30h30 + Product Details Size –

+ Product Details Size – 24"w X 6"h is the size for the duct opening measurement only

The 1/2" black insulation

[Outer Dimensions: 50

+ Product Details Size – 20"w X 34"h is the size for the duct opening measurement only

22" x 32" or 32" x 22" Cube Core Eggcrate Return Air Grille w30h30 + Product Details Size –+ Product Details Size 22" x 32" or 32" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 33. 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