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stonylab Test Tube with PTFE Screw Cap, Borosilicate Glass Graduated Colorimetric Tube Culture Tube 100 ml sold2024 Best German siliconestonylab Test Tube with PTFE Screw Cap, Borosilicate Glass Graduated Colorimetric Tube Culture Tube Our Labware refers to a range of equipment and containers designed for use in laboratory environments. These items are typically crafted from materials like glass, plastic, or metal to ensure durability and chemical resistance. Common examples include beakers, test tubes, flasks, and petri dishes, which are used for measuring, mixing, or storing in