34" x 36" or 36" x 34" Cube Core Eggcrate Return Air Grille Material_Steel + Product Details Size -

+ Product Details Size - 18"w X 12"h X 2"d (for duct opening measurement only)

This thoughtful design ensures optimal air circulation for your HVAC system

All year round solution - Get the hot air out during the Summer Months

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Crafted from high-quality

34" x 36" or 36" x 34" Cube Core Eggcrate Return Air Grille Material_Steel + Product Details Size -+ Product Details Size 34" x 36" or 36" x 34" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 35. 75" X 37. 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