This Vibrant Inline Fuel/Oil Filter Set (Size -4AN) includes three filters designed to prevent debris and other contaminants from entering your fuel or oil system. The filters are made of high-quality billet aluminum and feature a vibrant red anodized finish. They are designed to fit -4AN fittings and have a maximum pressure rating of 150 PSI. The set includes three filters that can be used in a variety of applications, including fuel systems, oil systems, or any other system requiring filtration. The filters are designed to provide superior filtration performance and to last for years.