Round duct reducer from 100 mm to 150 mm. One-piece molded PVC reducer with excellent sealing and wear resistance. Smooth surface for easy installation on various vent pipes. Ideal for clothes dryers, bathroom fans, kitchen extractor fans, hydroponics, and other ventilation applications. This reducer is suitable for use in extended duct runs for whole-house ventilation, passive chimney vents, positive air inlets, air conditioning systems, and heat recovery systems. Made from ABS material, offering corrosion resistance and high structural rigidity. One-piece molded ABS construction ensures leak resistance. Compatible with rigid plastic duct systems—seal with mastic or foil tape. Compatible with flexible duct systems—secure with hose clamps. Suitable for dryer ductwork, bathroom and kitchen exhaust systems, hydroponic ventilation, inline extraction fans, and range hoods. Features: - Made from premium ABS material, corrosion resistant and dimensionally stable. - Optimized design with smooth internal surface to minimize airflow resistance. - Seamless construction for reliable sealing performance. - Suitable for both indoor and outdoor applications. Installation steps: 1. Connect the duct pipe to the reducer. 2. Secure the joint with aluminum foil tape. 3. Apply a hose clamp and tighten using a screwdriver.