14" x 26" or 26" x 14" Cube Core Eggcrate Return Air Grille Round Damper Ring display: block

display: block

Actual Filter Size – 35 3/4"w x 25 3/4" x 1"

Actual Filter Size – 15 3/4"w x 15 3/4" x 1"

Width vs Height

+ Product Details Size - 12"w X 18"h X 2"d (for duct opening measurement only)

14" x 26" or 26" x 14" Cube Core Eggcrate Return Air Grille Round Damper Ring display: block+ Product Details Size 14" x 26" or 26" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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