Self-priming centrifugal pump. Provide safe approach to handling flammable liquids with an engine-driven pump, when refueling at a remote site.Sizes: 2" and 3". Max capacity: 390 gpm (24.6 l/s). Max pressure: 61.5 psi (43.2 m). Seals elastomer: Viton®. Construction material: aluminum. Engines: B&S gasoline or Yanmar diesel. UL listed.