Duluth Forge’s Dual Fuel Ventless Fireplaces are an excellent alternative to traditional wood fireplaces. They can be placed anywhere within your home, since they do not require an outside duct or chimney. . Our state of the art fireplace insert features thermostat control functions, battery assisted ignition, and much more. These economical, efficient fireplace systems provide your family with the supplemental heat you seek, without skimping on style. The quality craftsmanship of our fireplaces make them the perfect accent for your home. Product Features 26,000 Maximum BTU heats up to 1,350 square feet of living space Patented Dual Fuel Technology operates off Natural Gas or Liquid Propane Safety Assurance: O.D.S. (Oxygen Depletion Sensor) included with automatic shut-off Dual Precision Ported Ventless gas burner Battery assisted Piezo ignition Corner Combo: Mantel can be installed flat against the wall or in the corner of a room. Corner adapter is included 5 realistic hand painted Ceramic Fiber Logs Thermostat Controlled Apple Spice Furniture Grade Finish Gas Fireplace Insert Model#: FDF300T Product Dimensions: 43.5"W x 39.5"H x 15"D Some assembly required. This Product Is Proudly Assembled in the USA Using Parts Manufactured in the USA! Designed, Engineered, Assembled and Tested in the USA. Skilled American workers manufacture parts, assemble and test our products. Only high-quality materials and parts are used in the manufacturing of our products. Our factory features state of the art manufacturing equipment. Product ships from our domestic warehouse in Kentucky, USA.