Product Description Color: Silver Grey Material: Galvanized Iron Interface Outer Diameter: 73mm / 2.9 inch Overall Height: 47mm / 1.85 inch Base Outer Diameter: 98mm / 3.86 inch Screw Hole Diameter: 4.5mm / 0.18 inch Diagonal Mounting Hole Distance: 88mm / 3.47 inch Distance Between Adjacent Mounting Holes: 43mm / 1.69 inch Packing List: 1 piece Duct Connector Flange, 6 screws Key Benefits: Strong and longlasting: Constructed from quality galvanized iron, this flange resists wear, corrosion, and deformation, ensuring dependable performance over time. Easy installation: Predrilled screw mounting holes allow you to secure the flange directly without additional drilling, saving time and effort. Reliable fit: Precisely measured dimensions provide secure and stable connection to compatible ducts and ventilation components. Function and Performance: This duct connector flange is designed for secure and stable attachment of ventilation ducts to surfaces such as walls, ceilings, or equipment housings. The galvanized iron construction delivers durability and corrosion resistance, ideal for prolonged use in residential, commercial, or industrial environments. Installation Instructions: Secure the flange with the provided screws to the air inlet, air outlet, wall, ceiling, or other surface where the ventilation duct will connect. Ensure proper alignment with the duct opening for airflow. Applications: Home ventilation systems: Connect ducts in kitchens, bathrooms, and living areas for improved air circulation. Workshop or garage exhaust setups: Attach to exhaust pipes or fan hoses for effective fume extraction. Industrial ventilation: Use with welded exhaust pipes, spiral exhaust ducts, or elbow fittings in factories and warehouses. With its precise sizing, robust material, and easytouse design, this duct connector flange offers a reliable solution for securely mounting and connecting ductwork in a wide range of ventilation systems.