Construction : Top quality sturdy unit made of 6 Gauge aluminium. The drum and lid are drawn in a press without any joints. Locking by turning Lid into the grooves (As in pressure cooker). Thin rubber gasket in between for effective sealing. Equiped with Pressure guage, stop cock, safety valve, steam release knob, vacuum release knob, inner container, inner & outer stand. Sterilizing Temperature- 120 deg C- 135 deg. C with sterilizing time of of 25-30 minutes or as required.