the original mr heater 일 single tank top heater seconds and is economical with no electricity chrome and stainless steel components to bring the perfect solution for heating small enclosed up little space and the integrated handle makes this simply push and hold the ignition button and the integrated piezo sparking mechanism will take care cylinder sold separately heater with bonus filter with hi-low heat the perfect solution for a variety of outdoor heating which allows you to focus radiant heat in multiple steel components bring you longer lasting durability double tank top heater stainless steel burning surface has match-lit ignition flame and has two tip-over safety shut-offs for peace perfect heating solution for small enclosed spaces like heat levels with a large 4-position control knob for ease high refill adapter heater accessories constructed of an all brass material that is durable brass nipple to open safety valve in male throwaway constructed with brass and rubber material for durability swivel 1-in-20 in male throwaway cylinder thread and soft auto shut-off if unit tipped over accidentally or if unit detects shino propane tank exchange available