Corrosion resistance Aluminum anodized pump housing with stainless steel internal pumping components Nitrile seals for use with oil/water emulsions, demineralized water, water glycols, mineral oils, or hydraulic fluids Two speed pumps up to 14,500 PSI External pressure relief valve 1/4" NPTF gauge port Custom EPDM seals for available for use with brake fluid or Skydrol Requires use of an external reservoir