Features: Filters are designed for high performance applications, and with flow rate of 30 GPH on the R12T model, your engine will perform better than ever with clean, water-free fuel. For R12T Marine Fuel Filter / Water Separator complete assembly.NPT,ZG1/4-19. The filter units are coated with a practical electrostatically applied powder coating for superior corrosion resistance. This spin-on filter design is simple to replace and the reusable clear nylon collection bowl and features a self-venting drain for removing unwanted muck and water.Tighten the va lve, the water will not discharge. Release the va lve, the water can be free to discharge. Specifications: Model: R12T Filter rating: 10 micron Maximum Flow Rate 30 GPH (57 LPH). Port / Connecting Size M18 X 1.5 Center Thread. Item size: 170*85*82mm / 6.7*3.3*3.2in Quantity: 1Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:(No Retail Package) 1 x Fuel/ Water Separator