【Premium Material】The vacuum cleaner hose adapter is made of excellent and soft PVC material with a precise fit, which is robust and durable for long-term use, and has great flexibility and adaptability. 【Easy to Use】The vacuum cleaner accessory is easy to use, no other tools are needed to connect the hose, just directly to the appliance or vacuum cleaner so you can clean easier and finer. 【Adaptable to Any Diameter】The adapter for the vacuum cleaner hose can be easily cut and works as a reducer for the vacuum cleaner hose / vacuum cleaner hose. Simply cut the vacuum cleaner adapter to the desired diameter. 【Wide Range of Applications】Compatible with Bosch vacuum cleaner adapters, Kärcher adapters, Festo tool adapters, Makita adapters, Caramba, Workzone, Parkside, Rupes, Einhell, Nilfisk, etc. 【Dimensions】The first part outer diameter 25 mm/0.98 inches, inner size 22 mm/0.86 inches, second part outer diameter 30 mm/1.18 inches, inner size 28 mm/1.1 inches, third part outer diameter 34 mm/1.33\", inner size 31 mm/1.22\", the fourth part outer diameter is 42\" and the inner size is 35 mm/1.37\".