8" x 8" Cube Core Eggcrate Return Air Grille White Carefully shrink wrapped with cardboard

Carefully shrink wrapped with cardboard backing to prevent damage in shipment

actual front end outer dimensions are approximately 21

All steel wire is applied between PET surfaces to prevent corrosion (oxidization)

Design – Designed to withstand bends and sharp turns without kinking

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8" x 8" Cube Core Eggcrate Return Air Grille White Carefully shrink wrapped with cardboard+ Product Details Size 8" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 9. 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 electric bills