Fire is started with Auto-Start One-Touch Ignition, and digital Control Board sets the feed rate and blower speed for steady, accurate heating. 140 cfm (cubic feet per minute) adjustable setting blower. Hopper holds a full 40 lb (pound) bag of pellets (plenty for overnight burns). Double cast auger feed system provides consistent, dependable fuel flow. 3" rear vent fits standard pellet vent pipe. Close clearance to combustibles, allowing for more placement options. Approved for mobile home installation. Handy access panels provide easy maintenance. Satin black steel body and contrasting nickel handle and window trim. Prominent door glass and air wash system offer a clear, beautiful view of the fire. Includes mandatory outside air hookup kit to provide fresh air for excellent fuel combustion. Operation and service DVD (digital versatile disc) included. Optional wall thermostat available from the manufacturer.