MyFishFinder.com Just like iceshanty but warmer
Unfortunately they are pricey but Cabela's has them or Amazon...https://www.amazon.com/gp/aw/d/B000SKX63U/ref=mp_s_a_1_1?ie=UTF8&qid=1478743801&sr=8-1&pi=AC_SX280_SY350_FMwebp_QL65&keywords=5lb+propane+tank<°)))>{