These high-quality 6ml vacuum blood collection tubes are designed for efficient and reliable serum collection. Featuring a red closure and silica-based clot activator finely dispersed on the inner walls, these tubes ensure rapid and complete clot formation. The 16x100mm dimensions are standardized for compatibility with most laboratory centrifuges. A 10-pack provides convenient use for multiple tests.
US: temporary delays — postal services aligning new import rules, 
EU: 1–2 weeks, 🌍 Worldwide: 1–4 weeks ✈️