... CSA certifications.patio heaters, gas patio heaters, outdoor patio heaters, stainless steel patio heatersPatio heaters, ... gas patio heaters, outdoor patio heaters, stainless steel patio heatersFunction: 42 ... 000~45,000 BTU heating output heater for outdoor use. Bring the cold winter the warm ... ) Power: 5,000 to 13,000W5) Fuel: propane or butane or LPG6) Flux: 450 to 870g ...