The Golden Oak Designer Plus series is manufactured by the Robert H. Peterson company, the original gas log manufacturer for over 45 years and they carry a lifetime warranty against breakage. Each log goes through four seperate steps of hand painting to give it the most realistic detail available on the market today. Includes the logs, custom grate to replace the wood grate you may already have, silica sand to spread out the flames and a front bed of glowing embers as well as an installation kit, damper clamp, tubing and fittings.For use in a vented, fully functioning, wood burning fireplace.