Raceworks AN-12 Billet 200mm Fuel Filter Housing NO FILTER ELEMENTNote: Filter Housing Only. Internal filter element not included and sold separately. Raceworks Billet Long housings are designed for very high horsepower applications (2000HP+). The filters are washable and directional. Raceworks Inline Fuel Filters constitute the core of any high performance EFI installation, affording both precise levels of filtration and high volumes of flow. Replacement element varieties are available in 10, 40, 75, and 100 micron