Stanbroil 24" Round Fire Pit Burner Ring, Double Ring, Black Steel 24" Round Fire Ring for outdoor use with 1/2" center Female Gas Inlet Heavy duty warp-resistant steel with high temperature black paint, Rated BTU Max : 296,000 (Double Ring) Stylish Design:New cross-bar design for better gas distribution,Suitable for either Natural Gas or Propane.If using for propane an air mixer valve must be installed. Gas Holes are drilled not punched for smoother gas flow creating(Concentric rings increase in diameter for better flame height) Package Contents: 24" Round Burner Ring; 1/2 inch Inlet which includes inlet plug and wrench, Installation Manual Made of heavy duty warp-resistant steel with high temperature black paint Rated BTU Max : 296,000 New cross-bar design for better gas distribution Punched Gas Holes Dimension: 24&#034;, Double Ring Easy to install Durable construction Fire pit rings are made of warp-resistant steel with high temperature black paint The ring has been optimized for fuel distribution Black Steel material will remain trouble free in the outdoors Fire rings are designed to be used only in an outdoor fire pit using natural gas or propane fuels You can add gas logs, lava rock, fire glass etc.