Looking for a replacement Water Separator filter for your AirDog fuel system? Look no further than the Air Dog WS100 Fuel System Water Separator! This easy-to-install filter is designed to fit all AirDog fuel systems, and should be replaced every 25,000 miles for optimal performance. Whether you're looking to maintain your current system or get your car up and running after some neglect, the Air Dog WS100 Fuel System Water Seperator is the perfect solution. Don't wait any longer, order your replacement filter today!