This practical adapter allows quick connection of hoses to 21 mm faucets on boats, gardens, and other installations. Its female thread of 26.5 mm (3/4”) facilitates a secure union to universal Gardena systems and others with similar features.
Technical features
- Input thread: female 26.5 mm (3/4” standard)
- Output thread: male 21 mm
- Material: sturdy high-quality plastic
Advantages
- Fast and intuitive assembly without tools
- Prevents leaks due to precise fit
- Compatible with most irrigation and washing systems
Main applications
- Connection of irrigation systems on boats, docks, and gardens
- Efficient continuous changes of water accessories
Practical advice
- Regularly clean the thread to ensure sealing
- Verify dimensions before installation
| Brand | Gardena |
| Reference | 18221-20 |
| Internal thread | 26.5 mm (3/4”) |
| External thread | 21 mm |
