HLDS032-GTTSS AZ Patio Heaters Glass Tube Table Top Patio Heater in Stainless Steel Add a touch of warmth for your smaller seating areas during the cooler months with 9 500 BTUs of heat from this glass tube table top patio heater. Not only is the stainless steel unit beautiful in design it also includes a thermcouple anti-tilt device for added safety. With a 1lb propane tank attaching directly in a concealed compartment inside of the unit this unit is perfect for travel.