A Vented Gas Log Set installs in a wood-burning fireplace to provide all the ambiance of a real wood fire, but without the work of hauling in logs, lighting the kindling, tending the fire, and hauling out the ash. You simply light the fire when you want it and turn it off when you're done. Includes 11 Piece Log Set. Features Model # LTH1118ST. Gas Type Natural Gas/Liquid Propane. 11 Piece log set. LOGS ONLY Tree House See-Thru Refractory Log Set. For use with See-Through Sand Pan Burners. Specifications Overall Dimensions 18 L . Required Must Choose Burner to Complete Log Set. Compatible Burners Metro 18-inch See-Through Match Light 75,000 Btu Burner B3LSTHK18N . Metro 18-inch See-Through Manual 75,000 Btu Burner B3MSTHK18N . Metro 18-inch See-Through Millivolt 75,000 Btu Burner B3RSTHK18N . Burner is shown in image, however not included in this product.