6 Inch Duct Connector Flange, Metal Fitting Straight Pipe Flange Round Ventilation Air Duct For Heating Cooling Ventilation Hvac System

Duct flanges are widely used for air ventilation systems in home, kitchen, bathroom, garage and factory etc.SpecificationColor: GreyMaterial: Galvanized IronInterface Outer Diameter: 145 mm / 5.7 inchDiagonal Mounting Hole Distance: 173 mm / 6.8 inchDistance Between Adjacent Mounting Holes: 85 mm / 3.3 inchBase Outer Diameter: 183 mm / 7.2 inchPacking List: 1 x Duct Connector Advantages1. The connector is made of galvanized iron, which is anti-corrosion, cold-resistant, high-temperature resistant, not easily deformed, 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.3. The surface of the ventilation flange is smooth, which is conducive to connecting the air duct.InstructionScrew the flange securely to the air inlet, air outlet, wall, ceiling or other surface for connecting to the ventilation system.NOTE: 1. Please pay attention to selecting the appropriate connection outer diameter before placing an order.2. Screws are not included in the package.