the Mr. Heater 4,000 BTU Propane Golf Cart Heater will keep you nice and comfortable as you play a round on even the coldest of golfing excursions. With the included adapter, this small space heater fits nicely right inside a golf cart cup holder, allowing you to stay comfortable between holes. Connect directly to a 1 lbs. propane tank and enjoy up to 4,000 BTUs of heat. This heater also features a low oxygen automatic shut off system and 90° tip over safety switch. Start your golfing season earlier in the spring and extend it later into the fall by staying nice and toasty warm in your golf cart with the Mr. Heater 4,000 BTU Propane Golf Cart Heater.