26" x 26" Cube Core Eggcrate Return Air Grille Color_White actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 26 5/8" height -

actual front end outer dimensions are approximately 24 5/8" width X 14 5/8" height

Actual Filter Size – 19 3/4"w x 24 3/4" x 1"

Actual Front End Outer Dimensions Are 12" Width X 8" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size – 20"w X 12"h is the size for the duct opening measurement only

26" x 26" Cube Core Eggcrate Return Air Grille Color_White actual front end outer dimensions+ Product Details Size 26" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 75" X 27. 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