MF3800B Trim Color: Black The Cumberland Stove Works MF3800 is much more than a pretty face. Advanced technology in Tri-X Heat Control provides the most efficient multi-fuel pellet stove on the market. The most bang for your buck. Features: -Unattended electric ignition allows the stove to be completely thermostatically controlled. -Thermostat signals the stove to fully modulate heat which burns less fuel to maintain temperature settings. -No agitator to get gummed up with burn residue. -Air filter prevents dust from circulating into your home, extends the life of the stove and increases fan effectiveness. -Gravity seal ash pan removes the need for latches or moving parts and is easy to open. -One hopper full of fuel burns for up to 36 hours without refill. -For safety, the vacuum switch insures that doors are sealed before stove can operate.