United Scientific® Blue Polycarbonate Test Tube Rack – 16mm Tubes, 31-Place, Autoclavable, Chemical Resistant – Pack of 4 lab measuring tools The bold graduation line and

The bold graduation line and large white block lettering provide exceptional readability

This precision-cut foam tube rack securely holds up to 50 tubes (13mm diameter) and is designed for seamless compatibility with the BenchMixer™ XL and XLQ Multi-Tube Vortexers

Each cylinder is batch certified for Class A precision and includes a bumper guard for added protection—ideal for educational

and select organic solvents

a student conducting experiments

United Scientific® Blue Polycarbonate Test Tube Rack – 16mm Tubes, 31-Place, Autoclavable, Chemical Resistant – Pack of 4 lab measuring tools The bold graduation line andOrganize and secure your laboratory samples with the United Scientific Blue Polycarbonate Test Tube Rack. Designed for 16mm tubes, this 31 place rack offers exceptional durability and chemical resistance, making it ideal for school labs, research facilities, and industrial applications. Its ergonomic design allows for comfortable handling, while molded in alphanumeric markings ensure quick sample identification. Built from high quality polycarbonate,