6" [Duct Opening] Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [Black] - [Total Outer Dimensions: 10"] w32h32 + Product Details Size –

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

this piece is a perfect touch of class you need to add to your decor

Actual Filter Size – 11 3/4"w x 15 3/4" x 1"

Effortless Integration: Crafted for easy connection to supply grilles of drop ceiling T-Bar vent covers

Slim Sliding Metal Damper To Control and Adjust Airflow

6" [Duct Opening] Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [Black] - [Total Outer Dimensions: 10"] w32h32 + Product Details Size –+ Product Details Size The listed 6" diameter refers specifically to the size of the duct opening. However, please note that the total outer dimensions of the grille measure 10" in diameter. Design Heavier gauge than needed, built for durability and long life in mind, but still light and handy. (Screws included). Airflow Easy unrestricted airflow for your HVAC system. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was