Weber 47100001 Spirit S210 Natural Gas Grill, Stainless Steel This barbecue is a Natural Gas unit and you must have Natural Gas plumbed out to your patio or deck to be able to use this grill; If you do not have Natural Gas plumbed, please look at our selection of Propane barbecues 360 -square inch of cooking area and 90 -square inch for warming Porcelain-enameled, cast-iron cooking grates and porcelain-enameled Flavorizer bars Electronic Crossover ignition system starts with the push of a button It is a 3/8 connection.