Used for motorhome. EZ coupler kit includes with 2 rolls toilet paper, 25 foot drinking water hose, 30 Amp to 15 Amp electrical adapter, lead-free water regulator, 4 toilet treatments, EZ coupler, 10 foot extension hose, 90 degree bayonet sewer adapter, 4-way bubble level and bag of RV dump gloves. Sold in boxed package.