There's no reason to take another cold shower! The Marey 11V is a powerful 38,000 BTU/h1.5 Max GPM Portable Camping & HuntingWater Heateris designed to be portable and light-weight, so it's easy to of the campsite. Simple to use, justattach any 20LB propane cylinder using the 1/2" gas fitting - (can be reduced to 3/8" if necessary) and any water source you'llinstantly have ENDLESS amounts of hot water!IncludesFREE Shower Head - designed for this unit.