... set fire because there’s air in thepipe, just set fire continuelyIV.Electric heated tube Direction for use ... filter, use leanerto wash the filter, dry it and put back, one time every three month.5,Put out ... drawer,drop the fumes oil, and wash it, Then put back.Attention:You must put oil on the plate ... and clean sundries such as oil extraction.9,Install it back, and close the door.Attention:Do not open ...