8" x 34" or 34" x 8" Cube Core Eggcrate Return Air Grille w28h28 Actual Filter Size – 11

Actual Filter Size – 11 3/4"w x 19 3/4" x 1"

reducing electric bills and extending HVAC machine lifespan

+ Product Details Size - 36"w X 18"h X 2"d (for duct opening measurement only)

75" Width X 19

+ Product Details Size - 32"w X 34"h is the size for the duct opening measurement only

8" x 34" or 34" x 8" Cube Core Eggcrate Return Air Grille w28h28 Actual Filter Size – 11+ Product Details Size 8" x 34" or 34" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 35. 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