... flter(optional) purity guaranteed.4.Material tank installed with side glass for inspection.5.Curve heating cylinder designed to avoid powder ... thermostat,to control temperature accurately,7.High-temperature type for 50-1500 availablel,with double-walled hopper tand ,stainless ... and high-temperature blower,8.Hopper specially designed for easy opening,suitable for all robots.9.Stainless steel screen and ...