Any filter used after the pump must meet the following requirements. 10 micron this rating filters a little less than the 5 micron rating.

Element 100 Micron Stainless Steel
10 micron vs 100 micron fuel filter. What is the difference between a 10 micron filter and a 100 micron filter answers. A ten micron filter will remove smaller particles from thesystem but will also clog faster. Q what size canister should i use. A 30 micron filter used in an unleaded dispenser unit can allow unwanted particles to pass through to the customers. When choosing a filter for use after the pump and before the engine use an aeromotive 10 micron part numbers 12301 and 12310 40 micron part number 12335 or an acceptable equivalent. Josh davis from fuelab provides his thoughts on how he guides customers through choosing a fuel filter.
Personally i prefer to see our 10 micron or 6 micron element after the pump on both carbureted and efi applications. However 10 micron is still very small and can benefit many industries from oil to chemical plants because of their ability to filter so much. The top element is the aeromotive 100 micron element pn 12604 as found the fuel filter assembly pn 12304. Theres good reason for the confusion. The 10 micron paper element is good for pump gas and race gas but not alcohol based fuels. Usually a 10 micron filter is used for unleaded gasoline and a 30 micron filter is used for diesel fuel.
1030 micron primary filter element debate is one that has raged for several years now and i suspect the end is nowhere in sight and it applies to all diesel engines from 10 hp sail auxiliaries to engines like yours. This is a great question. Common e10e15 pump gas is. A finer micron filter can collect more contamination from the fuel and reach its dirt holding capacity more quickly. Larger canister sizes provide less flow restriction and increased service intervals. Filters with a larger micron rating allow larger particles through the system.
These filters are for use on the fuel pump outlet side only. Filter material is measured in microns. A the dw in line filters are available in 3 canister sizes. A good filter is low cost protection for expensive engine components. It may need replacing more ofeten than a larger micron filter. Fluid in 100 particles 5 microns upstream of filter 1 particle 5 microns downstream of.
Filters with a 10 micron rating can remove some unseen materials from liquid but not bacteria or viruses. Note the various filters all have billet housing with an connections and can be disassembled for inspection and cleaning. Above are various versions of 100 micron fuel filterselements. A 100 micron filter element should be installed between the tank and the pump and a 10 micron filter element should be installed between the pump and the injectors.