Stainless steel outer shells and feet. Working table height adjustable from 840 to 900 mm. Tops with a thickness of 2 mm. AISI 18/10 stainless steel tanks with cold zone and foam expansion zone. Oil drain taps. Oil drip pans on request. Safety thermostat (230°C) against excessive oil temperatures Gas version: Heating by stainless steel burner outside the tank (1-tank model with in-tank burner also available). Oil temperature controlled by mechanical thermostat with adjustment from 100 to 185°C. Electric version: Heating by means of an AISI 304 stainless steel armoured heating element inside the tank and rotatable by more than 90° in the 22lt tank version. Fully removable heating element in das 10 and 15-liter tank version.