Description for R12T Marine Fuel Filter/Water Separator Complete Assembly.NPT,ZG1/4-19.(Port/Connection Size M18 X 1.5 Center Thread)(Includes 2 Fittings, 2 Plugs). Part Number:Replaces Racor S3240 R12T 120AT;Replaces Sierra 18-7987;Replaces RK10222. Filter elements are coated with a durable electrostatic powder coating for superior corrosion resistance. Removes emulsified water and particles as small as 10 microns, ensures fuel enters your engine clean and water-free with advanced high performance filter media. Provides the best protection for your engine and improves engine performance. This spin-on filter design is easy to change and the reusable clear nylon collection bowl features a self-venting drain to remove unwanted impurities and water. Tighten the valve, no water will drain. Loosen the valve, water can drain freely. The filters are designed for high performance applications, and with a flow rate of 30 gph on the R12T model, your engine will run better than ever with clean, water-free fuel. Don’t hit the water without one of these diesel spin-on filters. The inlet and outlet can be fed from one side, or one side and the outlet from the other side. Specifications: 1. The fuel water separator filter also fits outboard motors with 3/8″ NPT threads. 2. Maximum flow rate of 30 gph (57 l/hr). 3. Port/connection size is M18 X 1.5 with center threads. 4. They are more suitable for compact off-road diesel equipment: tractors, skid steers, tow trucks. 5. Filtration capacity of 10 microns. 10 Micron Filters are over 90% efficient at removing particles as small as 10 microns. 10 Micron Filters are recommended for protecting sensitive inboard, stern and outboard fuel injection systems. Designed to capture the smallest particles and emulsified water from diesel fuel. Product Details: 1. Don??t go into the water without one of these diesel spin-on filters. 2. The filters are designed for high performance applications, and with a flow rate of 30 GPH on the R12T model, your engine will run better than ever with clean, water-free fuel. 3. The inlet and outlet can be fed from one side, or one side and the outlet from the other side. 4. Check and replace regularly.