Fisherbrand™ Micro Blood Collecting Tubes
- With tapered bottom tips to facilitate micro blood sample collection
- Tube, Blood collecting; Fisherbrand; Micro; Tapered bottom tips; Color-coded tops; Natelson; Ammonium heparin; Red; 250uL; 100/Pk.
- For Natelson and Caraway techniques
- Color-coded tops distinguish between plain and heparinized tubes
- Heparinized tubes are treated with ammonium heparin
- Natelson tubes have 1.44 to 1.76mm I.D., 147mm length
- Caraway tubes have 2.59 to 2.81mm I.D., 75mm length