fuel filter Designed and engineered for the aerospace industry, for rugged, high temperatures, and extreme filtration environments, made of pleated 304 stainless steel, 100 micron (.000392"), 1.375"(inch) diameter. there is a total of 6.2 square inches of effective filtration area, providing maximum flow of 900 gallons per hour simultaneously with no restriction and no drop in pressure. The filter element is washable and reusable indefinitely, cleaned easily with air or soluble rinse Carmaintenanceknowledge FuelFilter.Gasolineinstorageandtransportationandthefillingprocesswillinevitably bemixedwithanumberofmechanicalimpuritiesandmoisture.Theseimpuritieswith thefuelintothefuelsupplysystem,andwiththeenginecylinder,thecylinderwill acceleratethewearandtear.Afterthefilterplug,theresistanceofthepipeline willallowfortheincreaseinthecarburetorfuelsupplyshortage,resultinginthe mixturetoolean,theengineworkratehasdropped.Thus,ingasolineintothefuel pumpbeforethefiltermustbetoensurethatgassupplysystemworkproperly. Mostenginesareone-timeuploadofthepapercannottakeapartandwash stylefuelfilterdevice,thereplacementcycleisgenerally10thousandkilometers. Filterouttheoilportonthearrowmark,nottoinstallanti-replacement.