... 3. oil filter cartridge oil filter cartridgesSpecifications:Filter Media: PP,PET, Glass FiberEnd Cap Material: PP , ABSCenter Core: PP, ... , NBR, VitonEnd Cap TypesDOE, -226/Flat EndLength10,2030",40"Outside Diameter69mmInside Diameter28mmRemoval Ratings1μm,2μm,5μm,10 ... Refers Lengthinch # Refers Filter Media10 PP PP20 GF Glassfiber30 PET Polyester40 =Refers Rating + Refers Seal Material1 1um E EPDM2 ...