Advanced in conventional string wound filter cartridge High flow rate and high dirt-holding capacity Nominal micro ratingsMaterials Core Polypropylene / Tinned steel / 304,316 SS Yarn Polypropylene / Cotton Matrix Polypropylene / CottonApplications See to applications guideCartridge specifications I.D/O.D 28mm / 62mm Length 10" - 40" Grade 0.5micron - 350 micronCartridge style DOE 222 /Flat 222 /Fin 226 /Flat 226 /Fin