Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. What's more, it can be used on spiral exhaust pipe, exhaust pipe elbow fittings, fan hose connector.SpecificationColor: BlackMaterial: ABS PlasticInterface Outer Diameter: 100mm / 4 inchOverall Height: 50mm / 1.97 inchBase Outer Diameter: 130mm / 5.12 inchScrew Hole Diameter: 5.5mm / 0.22 inchDistance Between Adjacent Mounting Holes: 105mm / 4.13 inchPacking List: 2pcs x Duct Connector Flange, 1 x ScrewsAdvantages1. The flange is made of ABS plastic, which is wear-resistant, strong in corrosion resistance, not easy to deform, and durable.2. The base of the connector has screw mounting holes, no drilling is required, and it is directly fixed on the wall with screws, which is easy to use.
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