Racor 320R-RAC-02 Gasoline Fuel Filter/Water Separators are designed for high-performance applications, which means your engine will perform better than ever with clean, water-free fuel. UL listed/USCG accepted. Outboard applications. The spin-on filter is simple to replace and reusable metal contaminant collection bowl features a metal plug for removing unwanted muck and water. 320R-RAC-02 is UL listed and USCG approved for inboard marine use. Features include: High-capacity 10 micron Aquabloc II media .60 GPH (227 LPH) maximum flow rate .Superior corrosion resistance with electrostatic powder coating .3-port die-cast aluminum mounting head with 1/4”-18 NPTF threads .Removes 99% of free water . 320R-RAC-02 replacement element S3228UL.