PATIKIL 4" Duct Connector, Metal Flange Fitting Duct Air Tight Couplings Vent Extension with Flange for Heating Cooling Ventilation HVAC System - pta220824tt0091

• Interface Outer Diameter: 97 mm / 3.8 inch. Overall Height: 70 mm / 2.8 inch. Base Outer Diameter: 170 mm / 6.7 inch. Screw Hole Diameter: 9 mm / 0.35 inch. Color: Silver Tone. Material: Galvanized Iron. Packing List: 1pcs x Duct Connector, 1pcs x Galvanized Steel Flange Advantages: 1. The duct connectors are made of metal material, galvanized surface, which is wear-resistant, strong in corrosion resistance, not easy to deform, and durable. 2. The base of the connector flange has screw mounting holes, no drilling is required, and it is directly fixed on the wall with screws, which is easy to use. Instruction: 1. Install the duct connector to vents with screws. 2. Use a steel pipe clamp (not included) for fixing vent hose to the connector. Application: Duct connectors are widely used in ventilation systems in home, kitchen, bathroom, garage, factory, etc.,it can easily connect air duct to your wall, floor, ceiling opening or dryer vent hose flange, fans and so on. NOTE: Please pay attention to selecting the appropriate connection outer diameter before placing an order., Manufacturer: PATIKIL