large heater bag at the safety lock opening works on charcoal, which can be ignited on both sides lasts 9-10 hours (when activated from both sides from 4.5 to 5 hours (not part of the coal product)
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large heater bag at the safety lock otevřenífunguje into charcoal, which can be lit from both stranvydrží 9-10 hours (when activated from both sides from 4.5 to 5 hours (not part of the coal product)
