14" x 22" or 22" x 14" Cube Core Eggcrate Return Air Grille Compatible with Duct 8" please note that the total

please note that the total outer dimensions of the grille measure 8" in diameter

Ideal for VAV systems

providing efficient performance of up to 300m3/h

Operating from -40°F to +248°F

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14" x 22" or 22" x 14" Cube Core Eggcrate Return Air Grille Compatible with Duct 8" please note that the total+ Product Details Size 14" x 22" or 22" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 23. 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