Plain Tube aims to obtain serum specimen for biochemistry, immunology and serology tests in clinical inspection. Its main merit is that serum can naturally separate out of blood cells and fibrin, so its physicochemical properties are keeping nonpolluted.
| REF NO. | Cap Colour | Tube Size (mm) | Draw Volume (ml) | Additive | Plastic (P) or Glass (G) | Qty/Case |
| SY030075A | Safe/Red | 13 x 75 | 3.0 | Plain | P | 1200 |
| SY050075A | Safe/Red | 13 x 75 | 5.0 | Plain | P | 1200 |
| SY070100A | Safe/Red | 13 x 100 | 7.0 | Plain | P | 1200 |
| SY010100AR | Rubber Stopper/Red | 16 x 100 | 10.0 | Plain | P | 1200 |
| SY010100A | Safe/Red | 16 x 100 | 10.0 | Plain | P | 1200 |
