Pressure Washer Pump, 4400 PSI, 4.0 GPM, 1″ Shaft Horizontal Triplex Plunger, Re by | Jul 21, 2026Max Water Flow 4.0 GPM 3.3 GPM 2.5 GPM 4.0 GPM 4.2 GPM 4.4 GPM 4.4 GPM. It also improves wear resistance and prolongs the life of water/oil seals. High-Pressure Resistant Structure: Say goodbye to impurities damaging your plunger!
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