8" x 36" or 36" x 8" Cube Core Eggcrate Return Air Grille w26h26 + Product Details Size -

+ Product Details Size - 30"w X 24"h is the size for the duct opening measurement only

Actual Filter Size – 24 3/4"w x 35 3/4" x 1"

Heavier gauge than needed

this guard fits almost any thermostat and blends seamlessly into any setting

production and finish on all products

8" x 36" or 36" x 8" Cube Core Eggcrate Return Air Grille w26h26 + Product Details Size -+ Product Details Size 8" x 36" or 36" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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