Kimble Kimax Reusable Borosilicate Glass Tubes With Plain End And Marking Spot, With Durable White Ceramic Marking Spot, Pack Of 72

Details:

With durable white ceramic marking spotFire-polished top rimUniform wall thickness for maximum heat transfer and chemical resistanceCulture tubes made from KG-33 glass feature fire-polished top rim and uniform wall thickness for maximum heat transfer and chemical resistanceDesigned from ASTM™ specification E982, Type IV requirement