AEM's Universal High Flow -6 AN ORB Inline Filter is specifically engineered for maximizing flow without sacrificing filtration, and is designed for ease of installation. The end caps are machined with -6AN female fittings. Machined O-ring receiver grooves on the end caps ensure against leaks, and all sealing O-rings and gaskets are made of Viton for outstanding performance when using gasoline, alcohol or gasoline/alcohol blended fuels.