Available in flow rates of 100 GPH and 150 GPH

The Original Fuel Air Separation System

The patented system that efficiently removes air and vapor from your diesel fuel improving overall engine performance.

  • Double filtration system
  • Preset at pressure required by the engine
  • Removes contaminants at a 2 micron level

The AirDog® Fuel Preporator® removes various contaminates, including entrained air/vapor, particulates and moisture, and removes excess fuel not needed by engines, allowing the fuel to flow through the regulator and return to the fuel tank.

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