AIRBLAZE T14, Universal Fireplace Blower Fan Kit 14 with Temperature and Speed Controller, WiFi Integrated App Control, for Lennox, Hearth Glo, Majestic, Rotom. A quiet blower fan kit with smart controls, designed to boost airflow coming from your fireplace. Dynamic temperature and humidity programming, with timers, cycles, scheduling, and minimum speed. Remotely connect via our WiFi app to access advance programs, alarms, notifications, and view climate data. Features a DC-motor controlled using PWM for a truly quiet and energy efficient performance. 15.3 x 4.0 x 3.6 in. PLEASE MESSAGE US IF YOU HAVE ANY OTHER QUESTIONS, AND MANY THANKS FOR READING ALL OF THIS.