United Scientific 25mm Wet/Dry Test Tube Racks – 24-Tube Capacity, 3x8 Grid, Polypropylene, Autoclavable, Pack of 6

The United Scientific 25mm Wet/Dry Test Tube Rack (Pack of 6) is a laboratory essential built for durability, versatility, and efficiency. Each rack holds 24 test tubes in a 3x8 grid and is constructed from a special blend of autoclavable polypropylene (PP) that allows it to sink and remain stable in water baths, even during agitation.

Perfect for wet or dry use, these racks are submersible, stackable when empty, and feature an alpha-numeric grid on the top tier for clear sample organization. Whether you're running a high-throughput lab or managing daily classroom experiments, these racks offer reliable support and simple usability at an economical price.