Buy XtremepowerUS 30,000 BTU Propane Tank Top Infrared Heater Dual World Marketing of America TT 15CSA Propane(LP) Tank Top Heater with World Marketing Double Burner Tank Top Heater with Tip over Shut off BUILTCO Thermomate Propane Single Tank Top Heater 15000BTU With Tip. Dura Heat TT15 TT 15CSA Portable Tank Top Heater with Tip Over Shut Off, 9K, 12K, 15K, Propane, Silver TT 15CSA, from patio to the ice house, outdoor sportsman to homeowner, this versatile propane heater provides a low cost heating solution for many outdoor activities. Connects quickly and easily to a standard 20 lb LP(propane) cylinder. Features: CSA certified safety tip over function and support leg Provides instant radiant infrared heat Uses 20 lb propane(LP) cylinder(not included) Heavy duty construction No electricity required