The Diplomat Series restroom trailer from NuConcepts is available on two- and three-unit trailers as well as individual purchases. It has a large interior floor space and increased holding tank capacities, with 90-gallon waste tank and 55-gallon freshwater capacities, allowing for 172 average uses between servicing. It comes with LED lighting over the sink, a decorative countertop, a toilet facing the counter instead of the door, full-size mirror over the sink, a 55-watt solar panel with charge controller and disconnect, a vented battery box, and a sealed waste tank clean-out cap. 800/334-1065; www.nuconcepts.com.