Description
actual front end outer dimensions are approximately 32 5/8" width X 30 5/8" height
Actual Filter Size – 17 3/4"w x 25 3/4" x 1"
these louvers provide exceptional protection against rain and water
+ Product Details Size – 12"w X 20"h is the size for the duct opening measurement only
Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 10" duct openings
30" x 30" Cube Core Eggcrate Return Air Grille w30h30 actual front end outer dimensions+ Product Details Size 30" x 30" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 75" X 31. 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 electric