1. Suitable for Karcher NT18/1, NT25/1, NT30/1, NT38/1, WD1, WD2, WD3 vacuum cleaners
2. Multi-functional design, wet and dry use
3. Simple and convenient installation, easy to replace the accessories
4. Will not damage your vacuum cleaner and will not affect the use of other functions
5. Strong material, sturdy and durable, long service life
6. Inside diameter of interface: 35mm
7. Weight: about 150g