Grand Effects LFPIAUT12NG30 30" Linear Automated Natural Gas Fire Pit Insert 12V - All of our linear burners incorporate automation using a CSA certified burner system. Available in 3' to 10' lengths. Custom lengths and shapes are available on request. Our burner assembly is a packaged unit (not a box of parts). Automation includes: UL Control Panel, Sub Panel and Support Plate with burner. Our burner assembly is fabricated from a high grade of 304 stainless steel. Each unit is factory tested, safe and easy to install.