Used equipment carry no warrantee other than test in store for operation. Once it leave the store, it cannot be returned and no refunds will be given. Ensure you are satisfied with the used equipment before leaving the store!!!
| Model | 5500 | 6500 | 7500 | 8500 | 9500 |
| Power | 2W | 2.5W | 3W | 3.4W | 4W |
| Flow | 1.3L/min | 2.2L/min | 2.4L/min | 3.5L/min | 4L/min |
| Speed | 2 Step | 2 Step | 2 Step | 3 Step | Variable |
| Voltage | 220v AC | 220v AC | 220v AC | 220v AC | 220v AC |