This duct coupler acts as a connector for connecting two air ducts, PVC pipes, or vent hoses, easily helping you extend the ventilation pipe. It is very useful for connecting the pipes of the HVAC system, bathroom fans, range hoods, dryers, and dust collectors to the ventilation duct system.Specification:Color: Silver Tone; Material: Galvanized Steel; Total Size: 100 x 1mm / 3.94 x 0.04 Inch (L*T); Outer Diameter of Interface: 198 x 198mm / 7.8 x 7.
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