Harfington Duct Connector Flange Metal Straight Pipe Exhaust Hose Flange for Heating Cooling Ventilation HVAC System

Duct flanges are widely used for air ventilation systems in home, kitchen, bathroom, garage and factory etc. Specification Color: Grey Material: Galvanized Iron Interface Outer Diameter: 73 mm / 2.9 inch Diagonal Mounting Hole Distance: 88 mm / 3.5 inch Distance Between Adjacent Mounting Holes: 43 mm / 1.7 inch Base Outer Diameter: 98 mm / 3.9 inch Packing List: 1 x Duct Connector Advantages 1. 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. Instruction Screw 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.