Introducing Our Rectangle & H Burners Enhance your fire pit experience with our Stainless Steel Rectangular Ring.  Size: 48″ x 24″ with 3/4″ Hub. Ports are staggered for a more realistic flame. For optimal flame height, we recommend at least 300,000 BTU Available for natural gas or LP Liquid propane. For LP Liquid Propane you must add air mixing orifice to reduce sooting Ports must point up for propane LP