10" x 20" or 20" x 10" Cube Core Eggcrate Return Air Grille w10h10 Design – Designed to withstand

Design – Designed to withstand bends and sharp turns without kinking

reducing electric bills and extending HVAC machine lifespan

ensuring a perfect fit

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

+ Product Details Size – 12"w X 24"h is the size for the duct opening measurement only

10" x 20" or 20" x 10" Cube Core Eggcrate Return Air Grille w10h10 Design – Designed to withstand+ Product Details Size 10" x 20" or 20" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 21. 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