32" x 34" or 34" x 32" Cube Core Eggcrate Return Air Grille 18in diameter Weather and Pest Proof –

Weather and Pest Proof – These louvers are especially designed to prevent water from entering your home

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+ Product Details Size - 22"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 14"w X 14"h is the size for the duct opening measurement only

32" x 34" or 34" x 32" Cube Core Eggcrate Return Air Grille 18in diameter Weather and Pest Proof –+ Product Details Size 32" x 34" or 34" x 32" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 33. 75" X 35. 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