Product_description: ['Bench top sized cooler holds twelve 0.5 or 1.5ml microcentrifuge tubes at a temperature below 0ºC for approximately 2 1/2 hours. Ideal for protecting valuable samples stored in a freezer with defrost cycle. Use included insert to hold 0.5 ml microcentrifuge tubes. Store at -20ºC for a few hours until the temperature of the cooler falls below 0ºC. Polycarbonate cooler body is filled with a non-toxic gel which cannot contact tubes; ensures markings and labels on tubes are safe. A clear polycarbonate lid shows positions of tubes; keyed to correspond with positions printed on cooler. Molded side handles allow secure grip for transfer. Rubber feet to prevent sliding on the lab bench and coolers are stackable. 0°C Cryo-Safe Cooler Holds Tubes: 0.5, 1.5 ml Places: 12 Dimensions: 14.5 x 10.0 x 9.5 cm (5 3/4 x 4 x 3 3/4 Inches) Convenient sizes Eliminate ice buckets']

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