6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Grille 14in diameter + Product Details Size -

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

the decorative Victorian grill

actual front end outer dimensions are approximately 2" wider

actual front end outer dimensions are approximately 26 5/8" width X 14 5/8" height

Actual Filter Size – 31 3/4"w x 35 3/4" x 1"

6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Grille 14in diameter + Product Details Size -+ Product Details Size 6" x 28" or 28" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 29. 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