The vortex valve is a designed to demonstrate the how a tornado swirls. Connects two large soft drink bottles. When one is half filled with water, with a flick of the wrist a tornado in a bottle is created. Scientific fun. Now supplied with two '0-ring'
| Article number: | SN-5003 |
| Availability: | In stock |
The vortex valve is a designed to demonstrate the how a tornado swirls. Connects two large soft drink bottles. When one is half filled with water, with a flick of the wrist a tornado in a bottle is created. Scientific fun. Now supplied with two '0-ring' seals to protect against leakage.
