23 inch Electric Fireplace 3D Log set insert, Infrared Fireplace Heater for Indoor 17295693Product Features CSA UL certification ensures long time services and user's safety,can be sold in the U. S. and Canadian markets Double safety protection device, one is overheat protection device, automatically cut off when thetemperature is too high, the other one is fuse 1500W heat 5000 BTU's per hour provides supplemental heat up to 400 Sq. ft. to help you save money Easy Fit: Logset designed for most existing fireplace openings, steady flat bottom