SeaEagles 496 fuel tank filter water absorbing fuel tank filter for farm, construction, and industrial applications For use with common fuels including regular and unleaded gasoline, diesel fuel, gasohol, and various fuel oils; related additives including methyl, ethyl, and isopropyl alcohol 20% Water-absorbing polymers trap water (up to approximately one-half cup), restricting fuel flow when it's time to replace the element Replaceable element removes water and microscopic particles of contaminants (rust, sand, dirt, scale, and lint) as small as 17 microns See-Thru translucent polymer bowl allows for visual monitoring of fuel flow, is alcohol and impact resistant, and stands up to harsh weather conditions Heavy duty zinc die-cast top cap with 1 in. NPT pipe fittings provides durability and an excellent bowl to top cap seal