Pcr-Cooler, 0.2 ml, Set Of 2, Pack Of 2

Details:

A contamination-free way to prepare pcr reactionssamples remain at 0°c for over one hourcolor changes above 7°cthis low-profile cooler holds 96 0.2 Ml or 0.5 Ml tubes at a temperature between 0°c and 7°c for approximately two hours (at an ambient temperature of 22°c). Unit changes color when temperature rises above 7°c from either purple to pink or dark blue to light blue.Note: must be pre-chilled for two hours at -20°c