The Outback Spectrum 3 Hooded Barbecue features a one piece porcelain enamelled hood which is corrosion & acid resistant, heat & flame proof so won t blister under high temperatures, is easy to clean & is ideal for roasting, grilling or even baking. Outback hooded models are so versatile, once you have finished cooking, you can turn off the barbecue & pull down the hood & the food sitting on the grills & griddles will keep warm for a good 30 minutes afterwards. A smoker box may also be used with barbecues with a roasting hood, allowing flavoured chips to be used to enchance the taste of your barbecued food.. The Spectrum 3 comes with new flavourizer bars not the traditional lava rock.. What are flavouriser bars Flavouriser bars are used instead of lava rock. They fit above the stainless steel burners & under the grill top. They aid the distribution of heat. They are also designed to channel away excess grease & avoid bad flareups. Fat & juices drip from cooked meat,