AirDog WS100 Replacement Water Separator

For use on AirDog Air/Fuel Separation Systems
AirDog by PureFlow
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The AirDog Replacement Water Separator WS100 is a direct replacement for your AirDog Fuel System. The built-in drain allows you to empty any water from the filter during routine maintenance. The life expectancy for the Airdog Water Separator could be up to 25K miles or a year. However, those figures can change drastically depending on fuel quality. Order a few extra and keep them in your cab or toolbox.


  • Fits All AirDog & AirDog II Kits
  • Genuine AirDog Replacement
  • Replaces Part# WS80

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(161 Ratings, 1 Review) Average Rating:
exactly what it appears to be.
Tucker Tracy (Gilmanton, NH) 3/6/2015 10:11 PM
this filter is the perfect replacement for my air dog set up. easy on and easy off.