General / Interpump TSF2221 Belt Drive High Flow 66 Series, Triplex Plunger Pump. 3000 PSI x 10.2 GPM @ 1750 RPM (Alternate 3000 PSI x 8.5 GPM @ 1450 RPM). Forged brass manifold with an exclusive lifetime warranty. Innovative seal design to extend seal life. Plunger design improves thermal shock resistance. New valve cap design improves hydrostatic performance.