8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Grille Powder Coated text-align: left

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+ Product Details Size – 24" x 24" is the size for the duct opening measurement only

Design – Unrestricted airflow for your HVAC system - adjustable one-way louver with full horizontal airflow directional control - single deflection supply grill with 96% airflow - noise free components - no vibrating louvers etc

+ Product Details Size – 30"w X 12"h is the size for the duct opening measurement only

8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Grille Powder Coated text-align: left+ Product Details Size 8" x 30" or 30" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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