Titan Controls Ares 4: Four Burner CO2 Generator, Liquid PropaneThe Ares Series CO2 generators are used to create and maintain the CO2 levels in your growing environment. Titan Controls products are created for our industry, by our industry! The Ares Series generators are easy to set up and operate. They come with all the parts necessary to get started growing with CO2, all you have to add is a gas source (Liquid Propane (LP) or Natural Gas (NG). Both Liquid Propane (LP) and Natural Gas(NG) models available No