2017 Mill City 1 kilo roaster set up for propane (but can be converted to natural gas). Comes with a Marshall propane regulator and external chaff collector. Runs off 110v (with included inverter to convert to roaster's required 220v). Roaster is set up with data logging with Phidget 1048 for BT, ET and MET to connect to Artisan or Cropster via USB. Great little roaster with fully adjustable gas, air, and drum speed. Separate fans for roasting and cooling. Original manuals included. Can be crated and shipped, buyer pays for crating and shipping.