4" Clinch Base Side Metal Takeoff Compatible With Duct 8in + Product Details Size -

+ Product Details Size - 25"w X 14"h is the size for the duct opening measurement only

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+ Product Details Size – 28"w X 32"h is the size for the duct opening measurement only

Actual Filter Size – 21 3/4"w x 23 3/4" x 1"

+ Product Details Size – Adjustable sizes - 1/8" - 5/8" (3-16mm) 3/16" - 1" (5-25mm) 1/4" - 1-1/4" (6-32mm)

4" Clinch Base Side Metal Takeoff Compatible With Duct 8in + Product Details Size -+ Product Details Size & Compatibility The 4" clinch base side metal take off is compatible with duct 4" 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