24" x 32" or 32" x 24" Cube Core Eggcrate Return Air Grille Insulated Line providing a perfect fit for

providing a perfect fit for most standard thermostats

actual front end outer dimensions are approximately 7

+ Product Description Ventilate your home or commercial space with our Aluminum Outdoor Weatherproof Louvers

Actual Filter Size – 9 3/4"w x 21 3/4" x 1"

The design eliminates noise and prevents louvers from vibrating

24" x 32" or 32" x 24" Cube Core Eggcrate Return Air Grille Insulated Line providing a perfect fit for+ Product Details Size 24" x 32" or 32" x 24" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" X 33. 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