Features Sizing: Jumbo – 36” – 120” (21” Depth) Style: Even distribution rear burner w/dual action middle burner & dedicated ember glow burner Standards: ANSI Certified with Control Systems Usage: Outdoor Materials: Stainless Steel Chassis Warranty: Lifetime Warranty – When Installed Indoors Piping: 3/4” Piping & 1” Bar Stock Fittings: Gas Inlet Left or Right Convertible to LP: NG Burner convertible to LP Media: Includes Lava Rock, Embers, & Connection Fittings Pilot: Concealed Pilot Mounting Brackets Design: Fully Welded System with Sandless Design Ceramic coated chassis w/metal bar stock and burner tubes all welded together. Fits Isokern Magnum Series 18" Deep Burner. All burners include lava rock, fittings, flex line, embers, and damper clamp. Not sure which size to use? Be sure to check the following on your empty Fireplace / Firebox: Front Opening Width Rear Width Depth Opening Height Is this Fireplace Vented or Ventless? Will you be using Natural Gas or Propane? (Propane Fittings Sold Separately) Documents Jumbo / Jumbo Slimline Installation Manual LP Conversion Kit Chart Minimum Fireplace Dimensions Specification Sheets Jumber Burner Spec Sheets