Conde Powerpak preassembled, gasoline- or diesel-powered vacuum pump units from Westmoor Ltd. are installed by simply bolting them down and attaching them to the tank. They have a heavy-duty steel base with aluminum diamond plate trim and belt guard. They are available with either vacuum-only or vacuum/pressure pumps. A wide range of cfm ensures the right unit for various tank sizes and applications. They are powered by Honda GX commercial-series gasoline or Yanmar industrial air-cooled diesel engines. Units can be transferred with ease to another tank system when needed. 800/367-0972; www.westmoorltd.com.