30" x 30" Cube Core Eggcrate Return Air Grille steel The powder-coat finish lends a

The powder-coat finish lends a smooth

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this 4-way air vent diffuser allows you to precisely control airflow

+ Product Details Size - 16"w X 34"h is the size for the duct opening measurement only

+ Product Details Size - 24"w X 12"h X 2"d (for duct opening measurement only)

30" x 30" Cube Core Eggcrate Return Air Grille steel The powder-coat finish lends a+ Product Details Size 30" x 30" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 75" X 31. 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