Fitted with an immersion heater and perforated tray with lifters. This range of electric sterilizers can incorporate the following additional features at extra cost. Option 1: Fitted with cut-off device when dry of water. OR Option 2: Fitted with cut-off device when dry of water and auto tray lifting arrangement (for sizes including and above 300 x 150 x 140mm). OR Option 3: Fitted with cut-off device when dry of water and auto tray lifting arrangement (for sizes including and above 300 x 150 x 140mm) and Thermostatic Control System.