6" x 6" Cube Core Eggcrate Return Air Grille Color_Aluminum + Product Details Size –

+ Product Details Size – 18"w X 8"h is the size for the duct opening measurement only

Total outer size of this grille is

while the ingenious dial-controlled damper empowers you to effortlessly regulate airflow using your foot

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7/8” - 3397 PSI

6" x 6" Cube Core Eggcrate Return Air Grille Color_Aluminum + Product Details Size –+ Product Details Size 6" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 7. 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 and