10" x 16" or 16" x 10" Cube Core Eggcrate Return Air Grille w16h16 allowing you to update the

allowing you to update the aesthetic in your home without losing valuable seasonal control of your HVAC system

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R value rating of insulation - R3

we have assisted countless contractors

10" x 16" or 16" x 10" Cube Core Eggcrate Return Air Grille w16h16 allowing you to update the+ Product Details Size 10" x 16" or 16" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 17. 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