The Irvine Lava Stone Gas BBQ Grill features lava rocks heated by a gas flame. Lava rocks absorb heat from your grill and spread it evenly throughout the whole appliance, which means your food cooks more evenly and gently, guarantees tender and juicy barbecued meats. The porous lava rocks also absorb grease and liquids. This healthy way to grill offers many possibilities. Easily create new and interesting dishes to delight your guests. In addition to its lava rock technology, the Irvine Grill has all the characteristics of a typical gas grill.