LPC80 Dura Heat LP Convection Heater - LPC80 Dura Heat LP Convection Heater - Propane (only) Convection Heater, Variable 50K - 80K BTU's, Auto shut-off, 10' hose & regulator included, no electricity required, Piezo ignition. Operates up to 17 hours on a 40 lb. LP canister.