PATIKIL 4 Inch Duct Connector Flange, Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System - pta220902tt0949

• Interface Outer Diameter: 94 mm / 3.7 inch. Diagonal Mounting Hole Distance: 123 mm / 4.8 inch. Distance Between Adjacent Mounting Holes: 60 mm / 2.4 inch. Base Outer Diameter: 133 mm / 5.2 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. Instruction: Screw the flange securely to the air inlet, air outlet, wall, ceiling or other surface for connecting to the ventilation system. Application: Duct flanges are widely used for air ventilation systems in home, kitchen, bathroom, garage and factory etc. NOTE: 1. Please pay attention to selecting the appropriate connection outer diameter before placing an order. 2. Screws are not included in the package., Manufacturer: PATIKIL