Propane Patio Heater, Portable Outdoor 18000BTU Gas Radiant Heater, LP Propane Heaters for Indoor, Shop, Garage, Outside, Camping is up for auction in Patio, Lawn & Garden. The current bid is $32.00, 71% below the $109.00 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.