- Ready-to-use
- No assembly required
- Provides an unrestricted view of tubes
Available in 2 sizes: 13 and 16 mm and four colors: white, blue, green and red. Do not autoclave.
| Thomas No. | Size (mm) | Color |
| 9259R01 | 13 | white |
| 9259R05 | 13 | blue |
| 9259R09 | 13 | green |
| 9259R13 | 13 | red |
| 9259R18 | 16 | white |
| 9259R23 | 16 | blue |
| 9259R28 | 16 | green |
| 9259R33 | 16 | red |