10" [Duct Opening] Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [White] - [Total Outer Dimensions: 14"] w18h18 you're covered by our 100%

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Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 10" duct openings

+ Product Details Size - 16"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 14"w X 4"h is the size for the duct opening measurement only

Design – removable door/face for easy filter change & cleaning - uses a 1" thick filter

10" [Duct Opening] Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [White] - [Total Outer Dimensions: 14"] w18h18 you're covered by our 100%+ Product Details Size The listed 10" diameter refers specifically to the size of the duct opening. However, please note that the total outer dimensions of the grille measure 14" 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