100-Pack Rimless Light-Wall Test Tubes, 25mL, 18 x 150mm, Borosilicate Glass

Eisco Labs Borosilicate 3.3 Glass Test Tubes, pack of 100, each have a 25mL capacity and measure 18×150mm. These rimless tubes feature flat, fire-polished ends and uniform 1.2mm light walls. The borosilicate glass provides excellent thermal shock resistance and chemical durability. The fire-polished rimless design makes these tubes ideal for culture testing and applications where a smooth edge is required. The light wall construction allows efficient heat transfer. Suitable for high-volume laboratory, classroom, and educational use.