16" x 32" or 32" x 16" Cube Core Eggcrate Return Air Grille Color_Aluminum during winter

during winter

75"H – fits a 20" X 20" duct opening

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 26" OR 26" X 14" duct opening (measured at the opening)

12" x 2" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

+ Product Details Size – 26" x 30" or 30" x 26" is the size for the duct opening measurement only

16" x 32" or 32" x 16" Cube Core Eggcrate Return Air Grille Color_Aluminum during winter+ Product Details Size 16" x 32" or 32" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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