6" Clinch Base Side Metal Takeoff Floor Grille Toe Space each diffuser is carefully shrink-wrapped

each diffuser is carefully shrink-wrapped with a sturdy cardboard backing

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with actual outer dimensions of 16

+ Product Details Size - 18"w X 16"h is the size for the duct opening measurement only

+ How To Measure A Round Vent Overall Size:

6" Clinch Base Side Metal Takeoff Floor Grille Toe Space each diffuser is carefully shrink-wrapped+ Product Details Size & Compatibility The 6" clinch base side metal take off is compatible with duct 6" Superior Quality Made in the USA. Our clinch base side metal take off is made of high quality galvanized steel metal for durability and rust prevention. It has crimped ends for easy fitting and secure connection to consecutive duct joints Applications The Clinch base means its secured with clinching tabs. These tabs dig into the main duct when you