1. Various used oils are applicable, especially waste vegetable oil. 2. CE approval, ... safety. 3. One year warranty. Floor type Heater-- Usd oil fired heater EF-10 Descriptions:1. Oil consumption: 2 - 10 (KG ... fuels are applicable, e.g. used engine oil, used vegetable oil, used crankcase oils, used Glycerin, used Hydraulic oil, used synthetic oils, waste machine shop cutting ...