This vent less Procom zero clearance fireplace insert features an elegant arched style and 4 ceramic fiber hand-painted logs to add the timeless ambiance of a fireplace to your living room, den, or kitchen. Powered by our patented dual fuel technology, this unit can generate up to 15,000 BTU of heat using either Liquid Propane or Natural Gas. The flickering yellow flames of this insert will keep you relaxed and cozy as you revel in cost-effective heating this winter. Product Features • Patented Dual Fuel Technology • 15,000 BTU Natural Gas • 15,000 BTU Liquid Propane • 4 ceramic fiber, hand-painted logs • Battery assisted Piezo ignition • Thermostatic Control to cycle the burner on and off • Elegant arched style • Zero clearance gas fireplace insert • Safety Assurance: O.D.S. (Oxygen Depletion Sensor) • Product Dimensions: (27.7"³H x 16"³W x 10.75"³D) • Single Precision Ported Vent less gas burner • Safety Assured ANSI Certified System • Designed for Indoor Use Only Please Note: This Item Is Not for Sale To Residents In California. Check your local regulations before purchasing and installation. Vent-Free heaters do not operate at elevations above 4,500 feet altitude.