... 1.it was made of imported compresser, good effeciency. 2.heating elimination of wind-cooling, do not need water cooling ... table, perfect.8.low noise.Parameters:1.trap temperature:<-60°C 2.vacuum degree:15Pabelow3.time of freezing-drying: about 6KG/24hours ... Electrical requirements: 220V±10% 50Hz 1800Wstantard configuration: Table-top main machine, 4L vacuum pump, Drying device, 8 units rubber vavle, 8 ...