Accessories Our preheaters come with just about everything you need to go out and preheat your engine. For additional convenience you may also purchase any of the following accessories: Part # Description Price AC-01 Combination cigarette lighter plug battery clips $ 19.95 AC-05 Mity Mite portable instant power $ 59.95 HT-05 Five foot High temp 4" hose w/aluminum coupler $ 69.95 HT-09 Longer lengths High temp 4" hose $   9.95/ft LP-01 11 lbs propane cylinder (shipped empty) $ 49.95 OP-01 24 volt (12v/24v combination) $ 49.95 OP-02 115 volt (AC current) $ 49.95 OP-09 Replacement/extension propane hose $   4.95/ft