United Scientific Frosty Mate Color Change Freezer Racks, Pp, 24

FrostyMate™ Color Change Freezer Racks provide a visual indicator of temperature levels for easy reference during use and transport of samples.

• These reusable polypropylene racks have an operating range of - 86°C to + 121°C and can maintain a temperature of less than 4°C for almost 3.5 hours (with lid on) at room temperature.
• The rack dramatically changes color from green to yellow when its temperature rises above 7°C.
• Racks include an alphanumeric grid for organizing samples.
• Available in a 24-place option (6 x 4 array) that holds 1.5 mL to 2 mL micro tubes and six 0.5 mL micro tubes using an included adapter and a 96-place option (12 x 8 array) that holds 0.2 mL PCR tubes or strips.