Use of ABS material to its durability and security. This is a perfect option if you duct reducer! This duct reducer is suitable for connecting to ventilation . Thickening treatment, reasonable transition, suitable for transitional connection in the . Features -Color: White. -Material: ABS. -Size: About 20.60X15.00X11.30cm/8.10X5.89X4.44in -Type: 200mm female to 150mm. - Made of ABS material, which is sturdy and strong, featuring impact resistances, can be applied for a long time. - It is used to connect two of different sizes to create a seamless ventilation system . - The reducer is a very practical choice for connecting two different to the ventilation system. - workmanship, reasonable structure, professional and practical, can bring you convenience. - Perfectly suited for ducting your tumble dryer, extractor fan, hydroponics, or cooker hood. Package list: 1 x ventilation reducer