by the numeral 46 the can like housing 30 in this embodiment also has a raised center region 46 at the bottom thereof that receives and holds concentric a seal plate 48 alternatively the seal plate 48 could locate on its outer diameter 50 on the inner periphery 51 of the can like housing 30 the filter cartridge itself generally indicated by the numeral 52 is a stainless steel woven mesh which is pleated formed into the cylindrical shape the mating edges welded and then cemented in upper and lower stainless steel cup like members 54 with epoxy to form an integral and durable filter assembly in that regard woven stainless meshes are commercially available in the desired porosity ranges they capture a larger percentage of particles larger than their rated porosity and do not clog as readily as paper filter materials do with the seal plate 48 positioned in the can like housing 30 with filter element 52 also in position in the can like housing 30 the bottom cup 54 will seal on its bottom against an o ring seal 56 and a second o ring seal 58 to prevent unfiltered oil from passing around the inner end of the filter the.