Ozark Trail 4200 BTU Portable Propane Heater $17 at Walmart $17 $49 New price low! Walmart has the Ozark Trail 4200 BTU Portable Propane Heater (GG4BO) on clearance for $17 with free shipping with Walmart+ (30-day trial) or on $35+. Runs off one 1lb propane tank (not included) for up to 5 hours. $17 retail: $49 Report Posted by DrBatman04/16/2024 at 09:28 PM PT