These amber glass boiling flasks combine UV protection with interchangeable ground joints, making them ideal for photochemical reactions, light-sensitive compounds, and general lab use. Available in round-bottom (heating mantle compatible) and flat-bottom (hot plate/sand bath ready) designs.
| S. No. | ITEM CODE | CAP. ml | SOCKET SIZE |
| 1 | FB-291-01 | 25 | B19 |
| 2 | FB-291-02 | 50 | B24 |
| 3 | FB-291-03 | 100 | B24 |
| 4 | FB-291-04 | 150 | B24 |
| 5 | FB-291-05 | 250 | B24 |
| 6 | FB-291-06 | 500 | B24 |
| 7 | FB-291-07 | 1000 | B24 |
| 8 | FB-291-08 | 2000 | B34 |
| 9 | FB-291-09 | 3000 | B40 |
| 10 | FB-291-10 | 5000 | B45 |
| 11 | FB-291-11 | 10000 | B50 |
| 12 | FB-291-12 | 20000 | B55 |