United Scientific® Test Tube with Rim – Borosilicate Glass, 20 x 150mm, 36mL – Pack of 72

The United Scientific® 20 x 150mm Borosilicate Glass Test Tube with Rim holds 36mL, making it an excellent choice for larger-scale laboratory applications. It is made from heat- and chemical-resistant borosilicate glass, with a rolled rim for improved safety and pouring control. Pre-cleaned, reusable, and autoclavable, it’s built for repeated professional use.