Tabletop Concrete Fire Pit For Indoor or OutdoorThe Perfect Smokeless Burning: The ethanol fire pit uses bioethanol or isopropyl alcohol fuel, burning cleanly without ash, soot, or smoke emissions, ensuring the air remains pure and green indoors and outdoors. 45 60 Minutes of Continuous Burn: With a 0. 7L combustion chamber, this fire pit table supports long lasting burns and is compatible with both bioethanol and isopropyl alcohol fuels, which are easily available at convenience stores for added