- Wall Flange Fittings: The product provides versatile wall flange fittings suitable for various ventilation systems, featuring multiple diameter interface options. - Durable, Weather-Resistant Build: Crafted from high-quality galvanized material, this flange adapter is designed to withstand external elements, ensuring longevity and resistance to weather and aging. - Versatile Application: Ideal for both indoor and outdoor ventilation systems, this flange adapter meets diverse installation needs, enhancing air circulation in residential or commercial environments. - Effortless Installation: Designed for quick and easy setup, this flange adapter streamlines the installation process, saving time and reducing effort. - Specifications: - Material: Galvanized - Color: Gray - Available Sizes: 75mm, 100mm, 120mm, 150mm, 200mm - Function: Serves as a fresh air ventilation inlet and outlet. Use Scenarios: 1. Residential HVAC systems: Effectively connects ductwork to exterior venting, improving indoor air quality. 2. Commercial kitchens: Ensures proper ventilation by facilitating the flow of fresh air and expelling cooking odors. 3. Industrial facilities: Provides reliable air exchange for machinery ventilation, maintaining optimal operating conditions. This flange adapter is a reliable choice for enhancing ventilation efficiency, durability, and compatibility across multiple systems.