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:80-100,150-100,150-110200-150,250-200 *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.