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| Model | Specification (Millimeter) | Specification (Inch) | Working pressure (Mpa/10) | Water spray (m3/h) | Spray height (m) | Surface coverage Diameter (m) |
| GP-01 | 80 | G3 | 5-50 | 8-50 | 2.0-30 | 0.5-8.0 |
| GP-02 | 100 | G4 | 10-140 | 50-300 | 5.0-90 | 1.0-12.0 |
| GP-03 | 140? |
Description:
The Hollow Jet is large size nozzles capable of achieving a maximum height of 140 metres.
Swivel connection allows to get parabolic or vertical jets, offering a wide range of water displays.
Visible from medium to great distanes.