Ventilation Pipe Reducer Adapter, Air Duct Adapter, Pipe Connector for Inline Ventilation System (200mm to 150mm). Thickened design for a smooth and reliable transition, ideal for connecting ducts of different sizes. Made from high-quality plastic material, durable and environmentally friendly. Features a white finish and a sturdy construction for long-lasting performance. Easy to install using duct tape or duct clamps. Suitable for use in bathrooms, kitchens, apartments, homes, offices, and hotel HVAC systems. Perfect for transitioning between 200mm and 150mm ducting systems. Color: White Material: Plastic Size: 200mm to 150mm (Upper Diameter: 147mm, Lower Diameter: 205mm, Height: 111mm) Package Includes: 1 x Pipe Adapter Note: Other items not included. Due to lighting and monitor display differences, the actual color may vary slightly from the image. Measurement tolerance: +/- 1-3cm.