These cast aluminum gas fire pits from Tropitone are available in two sizes: 43" Round and 55" Round. Place the matching lid on the burner and these gas burning fire pits double as a table. Available in 21 frame finishes. The Garden Terrace top has a beautiful scroll pattern that will bring out the best in any outdoor space. BTU rating on these gas fire pits start at 85,000 BTU's. These gas fire pits are fueled with a 20 lb. propane tank and natural gas conversion kits are also available.