This duct collar is used for connecting air ducting, including metal spiral ducts, flexible ducts, PVC pipes, etc. It's suitable for bathroom fans, extractor fans, chimney, tumble dryers, In-line extract fans, HVAC systems, dust collection systems, hydroponics setups, etc. They are widely used in homes, offices, kitchens, factories, and apartments.SpecificationColor: Silver ToneMaterial: Galvanized SteelSize: 150 x 0.6 mm /6 x 0.02 Inch (H*T)Round Base Diameter: 180 mm/7 InchOuter Diameter of Interface: 100 mm / 4 InchMounting Hole Diameter: 4mm / 0.16 InchDistance Between Adjacent Mounting Holes: 120mm / 4.7 InchPacking List: 1 Pcs x Duct ConnectorAdvantage1.
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