... : MaterialPP membraneSupport layerpolypropylene Filter cage & end capspolypropylene Length5'', 10'', 20'', 30'', 40'', 50''Micron rating0.1 / 0.2 / 0.45 / 0 ... .65 /1/3/5/10/30/60 micronsEnd caps DOE, SOE, 222-orings, fins... OD69mmID34mm/ 26mmApplicationPre ... and so on : Trial order is welcome 5/10/20/30/40/50 INCH Pleated PP Filter Cartridge (Polypropylene)