INFRARED BURNER,;TOP OF BOX 28-1/4" X 6-3/4" WIT FLAT LIP;27" X 5-1/4" CERAMIC ONLY, HAS 2-1/2" X 26" STRIP CLOSING;HOLES IN CTR OF IR BURNER, NO ORIFICE ELBOW OR ORIFICE;INCLUDED.;USE #43 ORIFICE FOR NAT. USE # 26-1781 (#56) AND DRILL OUT;TO #43;USE #53 ORIFICE FOR LP, # 26-1617;VULCAN/WOLF CHEESEMELTER CMJ