The ANSI-Certified Vented P45 Glass Burner from Real Fyre provides a contemporary burner system to enhance your favorite living space with the warmth and comfort of fire. This vented unit is designed to turn your wood burning fireplace into an efficient and warm glass burner set with a modern set of Fyre Spheres that should be used in an approved masonry or approved vented firebox enclosure. This unit carries ANSI certification to meet safety standards and features (2) different safety valve types: manual safety pilot kit (SPK-26) or low-profile automatic pilot kit with variable remote control (APK-17); in both cases, the pilot light must be manually lit and continuously run in order to provide ignition. The unique glass burner design features the same high quality burner system with an integrated fire glass tray to provide a modern burner display. Minimum Fireplace Dimensions 18" - 25FW x 25RW x 16D x 16H 24" - 31FW x 31RW x 16D x 16H 30" - 37FW x 37RW x 16D x 16H