Slide-in units from Lely Tank & Waste Solutions include a Masport ProPak package with Honda electric-start engine providing ample vacuum for portable restroom or grease applications. The system includes 30 feet of vacuum hose, a suction wand and a shut-off valve. Two-compartment units come with a 3.5 gpm, 40 psi water pump with 50 feet of hose and nozzle for freshwater. Tank sizes range from a 400-gallon unit in a single- or double-compartment configuration up to a 1,000-gallon unit. They can be mounted in pickup beds, on flatbeds or on trailers. They are available in steel, aluminum or stainless steel, and they can be configured with end or side mounts for the vacuum and water systems. 800/367-5359; www.lelytank.com.