The XT-200 Waste Oil Heater now burns 100% used synthetic oil along with other used fluids. It comes standard with an easy access hinged chamber door for easy clean out. It also features a large clean-out side access panel to the collector box. Some of the new improvements made to the XT models are: easy to remove burner, a noncontinuous spark transformer, an hour meter, and a prime switch. All of these features make it easy for those who compare...buy Lanair!