Quick Connect & Disconnect: Features an innovative twist-lock mechanism for easy connection and disconnection of the dryer vent hose. Easy to Install: Simply screw the connector onto the wall and attach the hose to the adapter. Twist to lock and unlock for quick setup. Compatible with 4-inch tubes. Flexible Dryer Vent Hose: Made of high-quality, flame-retardant aluminum material. Measures 4 inches in diameter and 8 feet in length when fully extended. Suitable for use with any 4-inch vent pipe or flexible dryer hose. Perfect Connector: Designed for 4-inch tubes. Helps cover wall openings neatly, providing a clean appearance and a professional finish to your laundry area. Abundant Applications: Ideal for residential air duct applications. Commonly used in bathroom ventilation, dryer exhaust, laundry rooms, laundry closets, plant rooms, table saw dust extraction, wall exhaust systems, ceiling vents, greenhouse air circulation, and more. Package Includes: 1 x Wall flange plate, 1 x Sealing ring, 1 x Hose connector, 4 x Screws Color: White Material: Plastic Package Contents: 1 set x Dryer Vent Wall Plate Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.