22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Grille Curved Blade Steel + Product Details Size –

+ Product Details Size – 32"w X 18"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 38 5/8" width X 34 5/8" height

+ Product Details Size – 18"w X 34"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 10" x 26" or 26" x 10" is the size for the duct opening measurement only

22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Grille Curved Blade Steel + Product Details Size –+ Product Details Size 22" x 26" or 26" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 27. 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