Securely hold a full load of test tubes or centrifuge tubes for 13, 16, 20, 25 and 30mm diameter sizes with Thermo Scientific Nalgene Unwire Test Tube Racks. Molded in a single piece for exceptional strength and durability, these racks have no coating to chip, peel or rust.
Smooth finish leaves fewer places for contaminants to lodge; no welds to break, no sharp edges.
Endplates accept large labels for easy identification of samples.
Higher specific gravity than water so it stays submerged in a water bath and won't float.
Withstands most lab chemicals and temperatures up to 121°C for a variety of lab procedures.
Available in six bright colors to help keep samples organized.
15mL conical tubes fit 20mm racks; 50mL conical fit 30mm racks.
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