4in Automated Airflow Damper - Adjustable Ventilation Control for Duct Systems

Premium Stainless Steel Construction: Crafted from stainless steel, this 4-inch motorized duct damper operates reliably in environments ranging from -10°C to 70°C. Its robust design ensures durability and resistance to humid conditions, outperforming standard galvanized steel alternatives. Efficient Motorized Adjustment: Equipped with a 24V AC motorized actuator, this damper offers precise 0–90° stepless airflow adjustment. It operates quietly and smoothly, enabling optimal airflow control without disruptive noise and improving overall system efficiency. Enhanced Airtightness with Silicone Seal: Features a built-in silicone sealing ring for exceptional airtightness. This prevents air leakage whether the damper is fully open or fully closed, supporting quiet operation, improved comfort, and energy savings. Easy Installation Process: Install by inserting the damper into the duct, securing it with screws, and sealing seams with HVAC tape. For best performance, application of duct sealant is recommended to ensure a fully sealed and efficient HVAC system. Versatile Application for Various Settings: Suitable for residential and commercial HVAC systems, including fresh air intakes, air conditioning units, and exhaust ducts. Helps optimize airflow and improve energy efficiency across diverse applications. Color: As Shown Material: Stainless Steel Size: Outer diameter 10 cm; length 15 cm Package Contents: 1 x duct damper Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance is ±1–3 cm.