6" x 32" or 32" x 6" Cube Core Eggcrate Return Air Grille 18" Diameter guaranteeing efficient ventilation throughout your

guaranteeing efficient ventilation throughout your space

Upgrade your air distribution strategy today – invest in the efficiency and convenience of the 6" Butterfly Damper

+ Product Details Size – 16"w X 20"h is the size for the duct opening measurement only

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+ Product Details Size – 8" x 34" or 34" x 8" is the size for the duct opening measurement only

6" x 32" or 32" x 6" Cube Core Eggcrate Return Air Grille 18" Diameter guaranteeing efficient ventilation throughout your+ Product Details Size 6" x 32" or 32" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8. 5" X 34. 5". 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