The Hearth Products Controls SIER36 Sierra Smooth Copper Gas Fire Pit Bowl Fire Pit by Hearth Products Controls offers a completed fire pit unit that combines beauty and durability. The fire pit measures 16" tall with a 18" x 18" base and a 36" x 36" top while the exterior of the fire pit enclosure features an oil rubbed bronze finish with a smooth copper finish for a unique look and long lasting durability. The square enclosure opening provides space for a square flat pan that supports one of two burner kit options: the match light PENTA19MLFPK burner system and the electronic ignition 19FSSEI kit - both kits are available for both natural gas and propane. The match light Penta kit features a 19" bowl pan with a 12" penta burner that includes a standard ball valve and ignites with a match or lighter, the unit is rated for 50,000 BTU; the electronic ignition kit features an 19" bowl pan with a 12" round burner that allows complete electronic control and is rated for 65,000 BTU. Either burner kit will create a one of a kind flame presence and instantly upgrade the ambience of your backyard setting.