Pleasant Hearth GFB100 Vent-Free Fireplace Blower. Improve whole room heating with this 2-in-1 mode fan. MANUAL MODE Turn ON at the flick of a switch. AUTO MODE – Fan automatically operates when the heater gets above 113 degrees Fahrenheit to ensure its blowing ONLY warm/hot air. Includes power supply (6′ Cord Length), and all necessary wiring. Designed and certified to only operate with Pleasant Hearth Vent Free Fireplace Systems. You’re already purchasing the item. We always aim to respect the rights of creators who make the stuff we sell. This includes their Copyrights, Trademarks, and Patents. We’ll sort it out ASAP by removing anything that’s causing an issue while we investigate any intellectual property issues that have been brought to our attention.