Features: *This ventilation pipe reducer adaptor is made of thickened ABS material, ensuring high hardness, excellent sealing performance, and long-lasting durability. *Crafted with professional and exquisite craftsmanship, this air duct adapter offers a low Mouth diameter error and a thoughtful design, enabling easy connection to the fan interface. *Designed as a versatile and robust duct reducer or enlarger, this product allows the seamless connection of different solid or flexible ducts to a ventilator or vice versa, accommodating various sizes. *Perfect for applications such as tumble dryers, bathroom or kitchen cooker hoods, hydroponics, in-line cooker hoods, or cooker hood ducts. *Easily install this duct adapter using duct tape or duct clamps, effectively saving your time and effort. Specifications: *Product Name:Ventilation Pipe Reducer / Adaptor *Material:High-quality thickened ABS *Size:80-100,150-100,150-110，200-150,250-200 *Color:white Package Content: 1 x Air duct reducer Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 【PREMIUM QUALITY MATERIAL】This product is carefully crafted with high quality materials to ensure its durability and longevity. Whether for daily use or special occasions, it provides excellent performance and a great user experience. 【VALUABLE VALUE FOR MONEY】Offering excellent performance and quality at a reasonable price, this product offers excellent value for money. Whether for your own use or as a gift, it is a very cost-effective choice and definitely worth every penny. 【RETURNS SERVICE】We offer 30 days hassle-free returns. If you are not satisfied with the product, you can return it within 30 days for a full refund. We are committed to ensuring that every customer's shopping experience is of the highest standard. 【HIGH ADAPTABILITY】This product has been carefully designed to be perfectly compatible with a wide range of devices and scenarios. No matter which model or brand you use, it can be easily adapted to provide the best experience. 【USER-FRIENDLY】The product design is simple and clear, and the operation is easy to understand, even for the first time. Whether you are a novice or a veteran, you can quickly master it and enjoy convenience and efficiency.