This Cylinder Patio Heater is crafted from the finest materials and is guaranteed to create an ambient finish with real flames. Sturdy and reliable, this patio heater will keep you warm on those brisk outdoor evenings. This heater works with a maximum of a15kg propane gas bottle, so a 13,12 and 5kg bottle can be used for your ease. Gas bottles are not supplied with the Patio Heaters but are easily available form your local specialist retailer. Propane is one of the cleanest fuels in terms of CO2 emission and is a by-product of both the extraction of natural gas and the refining of crude oil. Works with a maximum 15kg propane gas canister (not included). Heat Output: 11 kW.