Diameter and compatibility The connector has a 3.9 inch diameter. It is basically suitable for tumble dryer models, as long as the dryer vent is about 3.9 inches. Please confirm and measure the size of the dryer vent first. Smooth ventilation and protection Vent accessories provide wide coverage. Efficiently seal the inner air duct of the dryer to eliminate air leaks, prevent pests from invading, and discharge the exhaust to provide fresher air for the indoor environment. Quick connect and disconnect The dryer vent connector has a simple design to easily connect the dryer hose to the vent base, and the reusable screw clamp makes this product easy to take apart and reinstall. Simply connect to the vent hose socket and secure the connection clip. Easy to clean and maintain The connector is made of quality materials to ensure durability and reliability. The vent wall plate adapter easily disconnects to allow cleaning around the vent system. Helps you keep your vents clean, save energy, and prevent dryer fires. Use scenarios Home laundry room upgrade where sealing and pest prevention are priorities while maintaining fresh indoor air. Replacing an old vent in apartments or houses to improve sealing, maintenance access, and reliability. Seasonal maintenance to quickly disconnect for cleaning around the vent system, preserving efficiency and safety.