This grill requires a natural gas line. This grill DOES NOT use a propane tank.Gather your family around the grill and ignite the flames. Let the GS4 grilling system take lead while you focus on what really matters - quality time with the people you love, in the comfort of your backyard. The Genesis® II E-310 is your everyday answer to “what’s for dinner?” GS4 Infinity IgnitionGS4 High Performance Stainless Steel BurnersGS4 Porcelain-Enameled Flavorizer BarsGS4 Grease Management SystemiGrill 3 compatible (sold separately)Fold down left side table10-foot flexible hose (NG model)Tuck-Away Warming Rack