4 Four Stages High Pressure Hand Pump Operated Air Pump 30mpa 4500psi Hpa Tank. This product data sheet is originally written in English. 4 Four Stages High Pressure Hand Pump Operated Air Pump 30mpa 4500psi Hpa Tank Structure: Gear Pump Power: Electric Fuel: Diesel Pressure: Low Pressure Usage: Air Pump Standard or Nonstandard: Standard Model Number: CX-4jpump Theory: Reciprocating Pump Application: Fire. This item is in the category "Sporting Goods\Scuba & Snorkelling\Cylinders & Tanks". The seller is "askorbas" and is located in this country: CN.This item can be shipped worldwide.