8" x 34" or 34" x 8" Cube Core Eggcrate Return Air Grille Powder-Coat + Product Details Size –

+ Product Details Size – 14"w X 20"h is the size for the duct opening measurement only

75" Width X 13

Noise free components - No vibrating louvers etc

Operating from -40°F to +248°F

Actual Filter Size – 17 3/4"w x 23 3/4" x 1"

8" x 34" or 34" x 8" Cube Core Eggcrate Return Air Grille Powder-Coat + Product Details Size –+ 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