Snow Performance 300 PSI UHO methanol injection pumps offer unsurpassed pressure, technology, and reliability. All 300 PSI pumps are U.S.A made and come individually tested to ensure quality and reliability. Although similar looking pumps exist, they do not come with the handful of propriety features that set the Snow Performance,, Features:,, , Dual EPDM Seals Offer Greater PSI Ratings to Be Achieved Safer and Longer, Proprietary Internal Wiring Offers Lower Amperage Draw than Similar Looking Pumps, Built in Thermal Breaker Allows Pump to Run Constantly Without Damaging Pump Internals, 3/8" NPT Inlet / Outlet, (2) 3/8" NPT to 4AN Fittings Included