34" x 36" or 36" x 34" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper Easy Installation – Comes with

Easy Installation – Comes with all necessary installation screws for a quick and hassle-free setup

Actual Filter Size – 31 3/4"w x 19 3/4" x 1"

+ Product Details Size – 14"w X 10"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 3

actual front end outer dimensions are approximately 32 5/8" width X 22 5/8" height

34" x 36" or 36" x 34" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper Easy Installation – Comes with+ Product Details Size 34" x 36" or 36" x 34" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 35. 75" X 37. 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