High-quality material: Made of high-quality plastic, wear-resistant, durable, and designed for long-term use. Double-sided design: Connects pipes with diameters of 60mm and 75mm, or joins pipes of different sizes to a fan, creating a seamless ventilation channel system. Improved air circulation: Helps distribute airflow evenly, supporting good indoor air quality and thermal comfort in residential or commercial spaces. Application: Ideal for use in exhaust fan systems and compatible with various air circulation and ventilation setups, including heating and cooling applications. Suitable for ventilating AV equipment spaces, cabinets, shelves, and cupboards. Easy installation: Simply attach the corresponding pipe size; can be secured using tape, adhesive, or steel clips. Note: - Actual color may vary slightly due to lighting conditions. - Allow 1–3 cm variation due to manual measurement. Material: Plastic Size: 8.3 x 8.3 x 6 cm Compatibility: Designed for air outlets with 60mm or 75mm diameter