34" x 34" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe Upgrade to a new standard

Upgrade to a new standard of air quality and aesthetics with our Aluminum Ceiling Diffuser

+ Product Description Introducing the 3-coned supply grille for a T-bar lay-in

Quality Packaging – Carefully shrink wrapped with cardboard backing to prevent damage in shipment

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

+ Product Details Size – 12"w X 10"h is the size for the duct opening measurement only

34" x 34" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe Upgrade to a new standard+ Product Details Size 34" x 34" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 35. 75" X 35. 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 electric