PATIKIL 4 Inch Duct Connector Flange, 2 Pack Metal Straight Pipe Exhaust Hose Flange For Heating Cooling Ventilation HVAC System. Free Delivery On Eligible Orders Of £20 Or More.

Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. Instruction Screw the flange securely to the air inlet, air outlet, wall, ceiling or other surface for connecting to the ventilation system. NOTE: Please pay attention to selecting the appropriate connection diameter before placing an order. Interface Outer Diameter: 95 mm / 3.7 inch; Diagonal Mounting Hole Distance: 108 mm / 4.3 inch; Distance Between Adjacent Mounting Holes: 53 mm / 2.1 inch; Base Outer Diameter: 119 mm / 4.7 inch; Color: Grey; Material: Galvanized Iron; 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.