Nalgene* Floating Microtube Racks, Polypropylene

Thaw, cool and incubate samples at elevated or reduced temperatures. Racks will float with a full load of filled tubes. Tubes are supported below the lip. On benchtop, rack legs prevent bottom of tubes from touching bench surface. Excellent temperature resistance from -70°C to 100°C. Each hole has molded in letters and numbers for wasy sample indentification