11,000 BTU Mr. Heater MH11BFLEX Portable Propane Heater (Red) $79.88 + Free Shipping Leave a reply Thumb Score: 0 Amazon [amazon.com] has 11,000 BTU Mr. Heater MH11BFLEX Portable Propane Heater (Red) back in stock for $ 79.88. Shipping is free Slickdeals Hot Deals Forum