Pre-filter is 30 micron, polisher is 10 micron. Of course there are 2, 10 and 30micron options for replacement filter cartridges.
The P510MAM has a 5' max lift, 60gph or 227lph.
The 500MP has the same rating, 60gph.
This is a prep for longer term storage, where condensation or the boogie man gets into the fuel
Slowly, Why the Racor has a fuel heater as an accessory to the filter bowl.Wonder how that works when fuel gets real cold.