E7 Class S autoclave for dentists is a dental sterilization appliance which is completely automatic, microprocessor controlled electronic autoclave. It has five pre-settled sterilization programs (121°C and 134°C wrapped/unwrapped instruments, 134° C Prion) and vacuum test. It has a dual-head high efficiency vacuum pump, special control of the temperature in the chamber, vacuum and pressure before and after the cycle and automatic self stop at the end of the cycle. It also has a door-locking system by safety double microswitch, anti-reflow separated tanks and external thermal printer. It comes in 2 specifications: 18 liters with external dimensions of 450x385x500 mm and 24 liters with external dimensions of 450x385x600 mm.