Tube Racks

Racks for test tubes have openings of various sizes to accommodate specific or a range of tube diameters, and securely hold tubes on benchtops, or in water baths, incubators, or refrigerators. Test tube racks have various configurations and can be stackable, have grips for inversion, be angled or have alphanumeric labels. Test tube rack shapes and sizes vary and they can be made from variety of materials, including plain or epoxy-coated metal, wood, foam, and various acrylics and plastics.

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Alkali Scientific IsoFreeze Flipper Racks with Lid, 1 Rack/Unit, Subzero, Blue, 20°C

IsoFreeze™ temperature maintenance racks provide safe chilled and stable storage for PCR reagents, cells, enzymes or other temperature sensitive reagents when removed from the freezer or refrigerator for extended periods of time. 20 wells in 4 x 5 format. Consistent thermal protection. Standard IsoFreeze Flipper Rack, Maintains 0°C on bench top for minimum of 5 hours Subzero IsoFreeze Flipper Rack, Maintains 15°C to 20°C on bench top for minimum of 3 hours One side holds 20 x 1.5/2.0 mL tubes, and the other side holds 20 x 0.5 mL tubes. Tough polycarbonate material. Racks are filled with an inert, non toxic gel. Lid included.