Fuel Injection EFI Performance Reusable Inline Fuel Filter 6AN 30 Micron Aluminum Fuel Filter,Inline -6an Fitting With 30 Micron Fuel Filter,Black Anodized In-line Fuel Filter,Dimension is 1 3/4" x 5" These filters can be used in a variety of racing circuits like NASCAR,drag racing,sprint car, marine applications and all other custom racing These in-line fuel filters are designed to provide high flow rates while protecting your engine from harmful contamination. The filter material is made from stainless steel and the housing is anodized aluminum.