SeriesEWK SeriesMicron Rating100=1.00μm300=3.00μm500=5.00μm1000=10.00μm2000=20.00μm5000=50.00μm7000=70.00μmEnd cap typeJ1=222/FinJ2=222/FlatJ3=226/FinJ4=226/FlatJ5=DOEJ6=ThreadedLength05=5"10=10"20=20"30=30"40=40"O-ringS=SiliconeE=EPDMV=VitonMaterial & Structure04=30406=316LZ=PleatedS=Sintered