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

+ Product Details Size – 10" x 18" or 18" x 10" is the size for the duct opening measurement only

Tough reinforced metallized polyester jacket - tear and puncture resistant

+ Product Details Size – 10" x 30" or 30" x 10" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 14 5/8" width X 20 5/8" height -

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