High-quality glass test tubes manufactured from NS-3 glass (GOST 19808-86) for chemical, biological, and microbiological laboratory procedures. Produced according to TU 32.50.50-039-29508133-2023 and meeting the requirements of GOST 25336-82 and GOST 23932-90. Ideal for precise and reliable laboratory analysis. Available in various sizes and volumes. [Link to Product Details Page]
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<img src="test-tube-image.jpg" alt="Florinsky Glass Test Tubes">
US: temporary delays — postal services aligning new import rules, 
EU: 1–2 weeks, 🌍 Worldwide: 1–4 weeks ✈️