6" x 24" or 24" x 6" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper +Why Hvac Premium HVAC Premium

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+ Product Details Size – 12"w X 6"h is the size for the duct opening measurement only

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+ Product Details Size – 18" Wooden Corner Baseboard Grille

+ How To Measure A Grille Overall Size:

6" x 24" or 24" x 6" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper +Why Hvac Premium HVAC Premium+ Product Details Size 6" x 24" or 24" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8. 5" X 26. 5". 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