These premium 6ml vacuum blood collection tubes are designed for efficient and reliable serum collection in clinical laboratories. Each tube contains a silica-based clot activator (SiO2) ensuring rapid and complete clotting. The tubes are manufactured from high-quality PET (polyethylene terephthalate) for superior strength and clarity, featuring a polyethylene (PE) cap and a secure butyl rubber stopper to prevent leakage and maintain vacuum integrity.
US: temporary delays — postal services aligning new import rules, 
EU: 1–2 weeks, 🌍 Worldwide: 1–4 weeks ✈️