Air Duct Clamp (4" Inch)

Stainless steel ducting clamp for our 4" flexible air duct tube. To use, simply loosen or tighten the screw on the worm gear to adjust the size then attach ducting and secure tightly. Fit for hose outside diameter 3.5-4.1 inches (89-104 mm). Secures ducting tightly in place.


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