PRODUCT FEATURES General Pump Pulsar 4 Unloader Maximum Volume: 10.5 GPM Maximum Discharge Pressure: 4000 PSI Inlet Port Size: 3/8" FPT Discharge Port Size: 3/8" FPT Bypass Port Size: 3/8" FPT Reviews Featured Products General Pump GP Stack Kit $90.63 Add to Cart General Pump GP Hose Reel Swivel (Universal) 1/2" FPT x FPT $82.53 Add to Cart General Pump GP 12" Hose Reel - Model DHRA50300 $313.60 Add to Cart General Pump GP Replacement Lock Assembly $12.27 Add to Cart