Kimble® 45050-25150 KIMAX® 25 x 150mm Glass Test Tube with Beaded Rim & without Marking Spot, 55mL,
Test tubes are made from Kimble N-51A borosilicate glass tubing with a sturdy lip and uniform wall thickness for maximum heat transfer and chemical resistance. Durable white ceramic enamel marking spot on each tube. Des 25 x 150 (O.D. x Length). 55mL Overflow Capacity. 288-Each/Case. Kimble® #: 45050-25150.