Thermo Scientific™ Nalgene Polypropylene Floating Microtube Racks are especially used in genetic cloning, microbiology and immunology labs.
Offers excellent temperature resistance from -70° to +100°C (-94° to +212°F). Thaw, cool and incubate samples at elevated or reduced temperatures. Tubes are supported in the rack below the lip. Square or round racks have molded-in letters and numbers at each hole for easy sample identification.