Heavy Wall Rimless Test Tubes, Pyrex, 150 x 24 mm

Robust, heavy wall rimless test tubes complying with ISO 4142.
• Conforms to ISO 4142
• Rimless test tubes with a heavy wall to provide extra mechanical strength
• Robust construction reduces possibility of breakages: - Lower replacement costs - Improved user safety
• Manufactured from Pyrex® borosilicate glass for high resistance to thermal shock and chemical attack