18" x 24" or 24" x 18" Cube Core Eggcrate Return Air Grille w18h18 12" x 6" Decorative Wood

12" x 6" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

+ Product Details Size – 20" x 32" or 32" x 20" is the size for the duct opening measurement only

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

+ Product Details Size – 24"w X 24"h is the drop ceiling HVAC supply grille size - for T-Bar lay-in

+ Product Details Size – 36"w X 6"h is the size for the duct opening measurement only

18" x 24" or 24" x 18" Cube Core Eggcrate Return Air Grille w18h18 12" x 6" Decorative Wood+ Product Details Size 18" x 24" or 24" x 18" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 75" X 25. 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