| Ref. Code | Draw Volume | Cap Colour | Tube Size (In mm) | Additive | Packaging (Tray Pack) | 
| 87020 | 1.6 ml | Black | 13 x 75 | 3.8% Buffered sodium citrate (4NC) | 100 pcs. | 
Description: Contains 3.8% buffered sodium citrate for westergren sedimentation rate determination.