United Scientific Supplies 77903 Plastic Test Tube Rack, Wet/Dry, for 20 mm Tubes, 40 Places

Plastic Test Tube Racks, Wet/Dry, For 20 mm Tubes, 40 Places

Economical yet very durable racks that are submersible, autoclavable, and easily stack when empty. Made from a special blend of polypropylene (PP) that makes them sink in a water bath and maintain their stability even in agitated water. The top tier features an alpha-numeric grid reference. Available in white, but can be special ordered in various colors.

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