26" x 32" or 32" x 26" Cube Core Eggcrate Return Air Grille Color_Red Oak Wood + Product Details Size –

+ Product Details Size – 34"w X 24"h is the size for the duct opening measurement only

Marked circles for cutout

Actual Filter Size – 31 3/4"w x 7 3/4" x 1"

actual front end outer dimensions are 26

26" x 32" or 32" x 26" Cube Core Eggcrate Return Air Grille Color_Red Oak Wood + Product Details Size –+ Product Details Size 26" x 32" or 32" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 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