16" x 24" or 24" x 16" Cube Core Eggcrate Return Air Grille Aluminum Bar Actual Filter Size – 33

Actual Filter Size – 33 3/4"w x 11 3/4" x 1"

actual front end outer dimensions are approximately 28 5/8" width X 12 5/8" height

+ Product Spec Sheet Outdoor Louver Spec Sheet

+ Product Details Size - 30"w X 30"h X 2"d (for duct opening measurement only)

16" x 24" or 24" x 16" Cube Core Eggcrate Return Air Grille Aluminum Bar Actual Filter Size – 33+ Product Details Size 16" x 24" or 24" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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