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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 alphanumeric grid reference.

United Scientific&#153; Test Tube Rack For 20mm Tubes, Wet & Dry, PP, 40 Places, White, Pack of 6

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United Scientific™ Test Tube Rack For 20mm Tubes, Wet & Dry, PP, 40 Places, White, Pack of 6