- MULTIPURPOSE FUNCTIONALITY: Designed for heating, cooling, and ventilation in HVAC systems, our duct flanges are ideal for use in residential and commercial air ventilation systems, including kitchens, bathrooms, garages, and factories. - PACKAGE INCLUDES: Each package contains 1 Duct Connector with the following specifications: - Interface Outer Diameter: 145 mm (5.7 inches) - Diagonal Mounting Hole Distance: 173 mm (6.8 inches) - Distance Between Adjacent Mounting Holes: 85 mm (3.3 inches) - Base Outer Diameter: 183 mm (7.2 inches) - DURABLE MATERIAL: Constructed from galvanized iron, this duct connector is resistant to corrosion, cold temperatures, and high heat. Its robust design ensures it maintains shape and performance over time. - USER-FRIENDLY DESIGN: The connector features pre-drilled screw mounting holes for easy installation—no drilling required. Simply secure it to the wall with screws for a hassle-free setup. The smooth surface of the ventilation flange facilitates a secure connection to air ducts. - APPLICATION SCENARIOS: 1. Ideal for upgrading ventilation in home kitchens, ensuring proper airflow while cooking. 2. Perfect for enhancing air circulation in bathrooms, reducing humidity and odors. 3. Suitable for industrial settings, providing reliable ventilation in garages and factories. This duct connector stands out for its combination of practicality, durability, and ease of installation, making it an essential component for efficient air management in various environments.