Mr Heater Portable Buddy is an awesome little unit! It cranks out 4,000 to 9,000 btu's! It will comfortably heat up to 225 sq ft. Runs on propane. One tank will last approx 5.4 hrs on low 2.4 hours on high. Convert for extended use with a simple hose to use a 20lb tank. Comes with 1 yr limited warranty. New In Box FREE SHIPPING
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