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

+ Product Details Size – 8" x 36" or 36" x 8" is the size for the duct opening measurement only

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

unrestricted airflow with a precise 50° angled design

Heavy Gauge Steel

+ Why HVAC Premium HVAC Premium has been providing superior quality service for many years

14" x 28" or 28" x 14" Cube Core Eggcrate Return Air Grille 14in diameter + Product Details Size –+ Product Details Size 14" x 28" or 28" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 16. 5" X 30. 5". 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