The Activa lava rock gas grill has a powerful 5.5 kW main burner with two ignition options and a side burner 2.5 kW. It has a barbecue area of 48 x37 cm and is .
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You'll still use the gas to heat the grill, but the lava rocks store the heat better.. Buy either a tray that is specifically made for lava rocks or another generic grate .