The PrimeGlo HLDS01-GTHG Quartz Glass Tube Patio Heater is for outdoor use with 32,400 BTUs and an open flame encased in a quartz glass tube creating a perfect outdoor gathering spot. The heater is modern and chic with a hammered bronze finish while the flame is warm and inviting. Wheels make this heater easily mobile and the weighted base prevents it from falling or being knocked over when not being moved. The HLDS01-GTHG also features a regulator, flame screen, access door design, electronic striker switch for easy / safe ignition, variable temperature control and anti-tilt safety switch. For use with a 20 lb propane tank which lasts 8 - 10 hours on high ( 20 lb tank not included ). This unit is CSA Approved.