Double walled construction, inner made of SS 304 grade sheet, outer made of MS powder coated and glass wool insulation. Temperature is controlled by thermostat having a temperature range from 50O C to 250O C with an accuracy of ± 2O C and without thermometer.
| Model | Inner dimension | Watt | Ltr. |
| OOB-1R | 200mm | 1500 | 2 ltr |
| OOB-2R | 250mm | 1500 | 5 ltr |
| OOB-3R | 300mm | 1500 | 10 ltr |