6" x 32" or 32" x 6" Cube Core Eggcrate Return Air Grille 18" Diameter + Product Details Size –

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

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

Actual Filter Size – 33 3/4"w x 31 3/4" x 1"

+ Product Spec Sheet Floor Register Spec Sheet

+ Product Details Size - 12"w X 24"h X 2"d (for duct opening measurement only)

6" x 32" or 32" x 6" Cube Core Eggcrate Return Air Grille 18" Diameter + Product Details Size –+ 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