The duct flange is widely used as air inlet and outlet connector in ventilation systems, suitable for ducting your air conditioning system, dust collection system, tumble dryer, extractor fan, exhaust fan, in-line extract fan, cooker hood, and so on.SpecificationColor: Silver ToneMaterial: Galvanized IronInterface Outer Diameter: 73 mm / 2.9 inchDiagonal Mounting Hole Distance: 88 mm / 3.5 inchDistance Between Adjacent Mounting Holes: 43 mm / 1.7 inchBase Outer Diameter: 98 mm / 3.9 inchHeight: 47mm/1.9 inchPacking List: 4 Pcs x Duct ConnectorsAdvantages1. The connector is made of galvanized iron, which is anti-corrosion, cold-resistant, high-temperature resistant, not easily deformed, and durable.2.
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