Heating mantles are arranged in a row. Housing is made with MS sheet, duly powder coated, supplied with stand and adjustable rod equipped with individual energy regulator and pilot lamp.
Top Sheet Aluminum / SS / Copper
| Model | Capacity | No. of Flasks |
| OSEA-1S | 250 ml | 3 |
| OSEA-2S | 250 ml | 4 |
| OSEA-3S | 250 ml | 6 |
| OSEA-1M | 500 ml | 3 |
| OSEA-2M | 500 ml | 4 |
| OSEA-3M | 500 ml | 6 |
| OSEA-1L | 1000 ml | 3 |
| OSEA-2L | 1000 ml | 4 |
| OSEA-3L | 1000 ml | 6 |