Thetford's new, premium portable waste tanks bring it all together in a sleek, easy-to-use design. The innovative design saves time, effort and hassle. This ingenious tank is in a class by itself. Completely self-contained so there are no required accessories to buy or parts to store. Each model has up to 20 percent more capacity than competitive models for fewer fill-ups - saving time and effort. Self storing sewer hose stays connected at bottom of tank. Cradle pivots, hose extends for quick, clean hookup.