The PJN3 from PolyJohn has a spacious interior and a translucent roof. It includes anti-slip floors, maximum ventilation, a two-roll paper dispenser and an occupancy signal latch. Options include a hand-washing sink or hand-sanitizing dispenser, convenience shelf with hook, locking kit and gender signs. It is available in the standard drop tank model or with an optional recirculating flush tank. Its waste tank design makes cleaning and servicing easy, according to the maker. Each unit comes with a door-mounted mirror, handle and a nonsplash urinal. It is made from high-grade polyethylene. 800-292-1305; www.polyjohn.com.