This is a High Performance/Racing Fuel Filter/Water Separator System. The was designed to combine ultra high efficiency fuel filtration in the smallest possible package measuring only 4.25 inch tall. The high fuel flow capabilities and extremely low fuel flow restriction of the FloMax 300 series coupled with highly efficient 4 micron filtration and water separation make this the most innovative and efficient system ever built. This is designed for use in gasoline, racing fuel, ethanol, and methanol in a wide variety of motor sports applications. Engineered for either suction or pressure side mounting the FloMax 300 offers the utmost in installation flexibility plus the multiport design allows unused fuel ports to function as a fuel system drain, regulator mount, fuel pressure gauge port and other fuel accessories. It flows 300 gallons per hour and has a filtration efficiency of 4 microns. Burst pressure for this unit is 250 PSI. Filter measurements are 4.25 inch height, 3 inch width and 3.75 inch depth. Unit weight is only 19 ounces. Features 1/2 inch NPT (pipe threads) ports. Made of solid billet aluminum to eliminate casting porosity, leaking or air intrusion. Designed to handle over 2000 HP. Exclusive EZMOUNT design allows easy mounting on a tube chassis or a surface mount. For a replacement filter, use part # RF500..