Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. What's more, it can be used on welded exhaust pipe, spiral exhaust pipe, exhaust pipe elbow fittings, fan hose connector.SpecificationColor: Silver ToneMaterial: Galvanized SteelInterface Dimensions: 166 x 163 mm / 6.5 x 6.3 inch (OD*ID)Overall Height: 20 mm / 0.8 inchThickness: 1.5 mm / 0.06 inchBase Outer Diameter: 220 mm / 8.7 inchScrew Hole Diameter: 9 mm / 0.35 inchPacking List: 1pcs x Duct ConnectorAdvantages1. The flange is made of galvanized steel, 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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