ProCom Vent-Free Dual Fuel Stove - 25,000 BTU, Model QD250T Works with blower for ProCom Fireplace/Stove, (Item# QEB100) sold separately Propane use requires 100-lb. tank or larger with two-stage adjustable regulator available from gas supply company Safety Assurance: O.D.S. (Oxygen Depletion Sensor) included with automatic shut-off, internal, non-adjustable regulator to prevent over firing Product Dimensions: 25 4/5 H x 32 1/4 W x 13 D Maximum pre-assembly cuts down on installation