Miller's Surplus has Fireplace Inserts in stock. Whether you need Direct Vent, or B Vent, stop into the nearest Millers Surplus home center and check out their huge selection of Fire Boxes. Also in stock is a Huge Selection of Natural Gas and Propane Log sets. If you are tired of your old dirty log burning fireplace and want to enjoy the ease of propane and natural gas, stop into Miller's Surplus and check out their huge selection