The Heating mantles are rolled and anchored securely in glass sleeve, reinforced and insulated by glass wool to work on 220/230v AC. 3 or 6 mantles are in one unit and the temperature is controlled by Energy Regulator.
| Model | Capacity |
| OMM-1 | 250ml X 3 |
| OMM-2 | 250ml X 6 |
| OMM-3 | 500ml X 3 |
| OMM-4 | 500ml X 6 |
| OMM-5 | 1000ml X 3 |
| OMM-6 | 1000ml X 6 |