High-quality material: Made of high-quality plastic, wear-resistant and durable 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 system. Improved air circulation: Helps maintain even airflow, supporting good indoor air quality and thermal comfort. Application: Ideal for exhaust fan systems and suitable for various air circulation, ventilation, heating, and cooling applications. Can be used to ventilate AV compartments, cabinets, shelves, and cupboards. Easy installation: Simply connect the corresponding pipe size; secure with tape, adhesive, or steel clips if needed. Note: - Actual color may vary slightly due to lighting effects. - Allow 13 cm variation due to manual measurement. Material: Plastic Size: 8.3 x 8.3 x 6 cm Compatible with outlets of 60mm and 75mm diameter