The Triotank slide-in vacuum tank from T blustar is made of lightweight high-density polyethylene. It is composed of three independent versatile holding tanks, including 264-gallon upper and lower tanks and a concealed 251-gallon interior sphere. The user can choose to have 515 gallons of waste and 264 gallons of water, or 251 gallons of waste and 528 gallons of water. It comes with a Battioni Pagani MEC1600 vacuum pump, Annovi Reverberi high-pressure water pump, onboard computer and anti-freeze system. Options include color or various power supplies, such as autonomous with a Honda engine or PTO. 404-719-0715; www.tblustar.com.