hnzxib laboratory refrigerator 20l -86 degree celsius ultra-low temperature samples storage box ultra portable lab er dw-86w20 lab supplies

cool down to minus 86 celcius /-123 °f: labfeng ultra low-temperature er with dual door gaskets and high-density polyurethane foam layer insulation prevent loss of cooling, excellent thermal insulation performance. power compressor: ultra low-temperature er body is welded with a high-quality galvanized spraying board, durable. full copper tube evaporator refrigeration, pressure, and corrosion resistance. intelligent temperature alarm system: can set your own maximum and minimum temperature,out of this temperature range , the ultra low-temperature er will produce a buzzer as well as a flashing alarm on the display..syi