coolers hold 0.5 or 1.5ml microcentrifuge tubes at or below –20°c (–4°f) for up to one hour on the benchtop or in transport. cooler and lid are filled with nontoxic gel and feature
* cold specifications are for room ambient temp. of 75 f, or lower, with 60 hz power. ? transition time is from +125 c to -55 c or -55 c to +125 c; air temperature measured at air output nozzle.