United Scientific 30mm Polypropylene Test Tube Racks – Wet/Dry, 21-Tube Capacity, Autoclavable, 3x7 Holes, Pack of 6

The United Scientific 30mm Wet/Dry Test Tube Racks are rugged, autoclavable, and built for reliable performance in both wet and dry lab conditions. Made from a specialty polypropylene (PP) blend, these racks are engineered to sink and remain stable in water baths, even under agitation.

Each rack holds 21 test tubes in a 3 x 7 configuration, with an alpha-numeric grid on the top tier for easy sample identification. The stackable design saves valuable bench space when not in use. Sold in a pack of 6, these economical yet durable racks are perfect for any lab needing secure and versatile tube storage.