... Fiber 2.End Cap Material: PP , ABS 3. oil filter cartridge oil filter cartridgesSpecifications:Filter Media: PP,PET, Glass FiberEnd Cap Material: PP , ABSCenter ... = 40PP,5um,Seal MaterialSilicone,-226/Flat End* Refers Lengthinch # Refers Filter Media10 PP PP20 GF Glassfiber30 PET Polyester40 =Refers Rating + Refers ... 50umX Refers End Cap TypesI DOEII -226/Flat End oil filter cartridge