22" x 30" or 30" x 22" Cube Core Eggcrate Return Air Grille Compatible With Duct 10in + Product Details Size -

+ Product Details Size - 5" Diameter is the size for the duct opening measurement only

+ Product Details Size - 24"w X 32"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 18" OR 18" X 14" duct opening (measured at the opening)

order a 20x14

16" x 3" Aluminum Spiral Duct Air Vent Grille Cover - Fully Adjustable Double Deflection HVAC Air Supply

22" x 30" or 30" x 22" Cube Core Eggcrate Return Air Grille Compatible With Duct 10in + Product Details Size -+ Product Details Size 22" x 30" or 30" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 31. 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