GOLDENROD 496-3/4 WATER-BLOCK FILTER (56591) Bowl Fuel Tank Filter with 3/4" NPT Top Cap Removes water from gasoline &amp; diesel fuel, 17 micron filtration, Water absorbing polymers trap water Restricting fuel flow when it is time to replace the element, May be used by itself or in combination with a #495 fuel filter for added protection against microscopic particle contamination Water-Block filter removes water from gasoline and diesel fuel; Water-absorbing polymers trap water, restricting fuel flow when it is time to replace the element Removes microscopic particles (17 microns) of rust, sand, dirt, scale, and lint Zinc die-cast top cap with 3/4" NPT pipe fittings See-Through bowl allows for visual monitoring of fuel flow Maximum recommended flow rate of 25 GPM; working pressure up to 150 psi