The MD400 slide-in unit from Satellite Industries has a 270-gallon waste/130-gallon freshwater tank that uses a bolt-in system that allows quick removal and added safety. A Honda 5.5 hp Conde 6 vacuum system is the standard pump with a 25-foot service hose. The unit fits in pickups with 4,000-pound payload capacity. It has a 3-inch waste outlet valve, rear service 2-inch freshwater outlet valve, rear service waste and freshwater sight glasses, a 1/2-inch metal hose standoff to protect the paint with a rack for the service hose, and a vacuum gauge mounted on vacuum system mounting platform. It comes with a Flojet or Whale diaphragm 45 psi, 4 gpm washdown pump with 25-foot garden hose and sprayer powered by the vacuum system battery. 800/328-3332; www.satelliteindustries.com.