Nalgene Unwire Blue Test Tube Racks, Tube Size 13mm, 200mm L x 102mm W x 57mm H (Case of 8)

Full-size Unwire test tube racks securely hold a full load of test tubes or centrifuge tubes in the following popular sizes: 13-, 16-, 20-, 25- and 30-mm. Up to 72 of the smaller diameter tubes can be held at once. Molded in six bright, permanent colors Resmer™ manufacturing technology makes these racks keep their bright colors longer. Useful in a wide temperature range with good chemical resistance.

• 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 rack stays submerged in a water bath—won't float
• Withstands most lab chemicals and temperatures up to 121°C for a variety of lab procedures
• 15mL conical tubes fit 20mm racks; 50ml conical fit 30mm racks