Mr. Heater 25,000 BTU Propane to Natural Gas Conversion Kit at Tractor Supply Co.
PatioGem 12Feet 1/2 Inch Natural Gas to Propane Conversion Kit Compatible with Kitchen-aid Propane Gas Grill Conversion, 710-0003 Natural Gas Hose and Regulator, Convert Propane to Natural Gas-CSA : Amazon.com.au: Garden
Williams Furnace 8945 Gas Conversion Kit - Natural Gas to Propane Gas – US Fireplace Store
MSK3009 – MOTOR SNORKEL TRI-FUEL (Natural Gas, Propane, and Gasoline) Conversion Kit – Motorsnorkel by US Carburetion