High-quality material: The vacuum cleaner hose adapter is made of high-quality soft PVC material, is a perfect fit, robust and durable for long-term use, with high flexibility and adaptability. < p>Easy to use: The vacuum cleaner attachment is easy to use, no additional tools are required to connect the hose. Simply connect it directly to the device or vacuum cleaner to make cleaning easier and cleaner. 【Suitable for any diameter】 The vacuum cleaner hose adapter can be easily cut to size and used as a reducer for suction hose/vacuum cleaner hose. Simply cut the vacuum adapter to the desired diameter. Wide application: compatible with Bosch vacuum adapter, Kärcher adapter, Festo tool adapter, Makita adapter, Caramba, Workzone, Parkside, Rupes, Einhell, Nilfisk, etc. [Size] The outer diameter of the first part is 25mm/0.98inch, the inner diameter is 22mm/0.86inch, the outer diameter of the second part is 30mm/1.18inch, the inner diameter is 28mm/1.1inch, the outer diameter of the third