18" x 30" or 30" x 18" Cube Core Eggcrate Return Air Grille 6" Diameter ensuring even air distribution throughout

ensuring even air distribution throughout your space

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Actual Filter Size – 47 3/4"w x 23 3/4" x 1"

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

The Contempo slotted Grate

18" x 30" or 30" x 18" Cube Core Eggcrate Return Air Grille 6" Diameter ensuring even air distribution throughout+ Product Details Size 18" x 30" or 30" x 18" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 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