High-quality 3.5ml vacuum blood collection tubes with 3.2% sodium citrate, ideal for hemostasis testing. These plastic (PET) tubes feature a rubber stopper and an additional protective plastic cap with vertical grooves and a screw thread for enhanced security. Each tube includes a paper label and is color-coded blue for easy identification. Supplied in a polystyrene rack and shrink-wrapped for secure transport and storage. 50 tubes per pack.
US: temporary delays — postal services aligning new import rules, 
EU: 1–2 weeks, 🌍 Worldwide: 1–4 weeks ✈️