[syringe filter – www.syringefilter.com 0.22 micron 0.45 micron syringe filters nylon nylon ptfe pes gf glass fiber 13mm 30mm 25mm pvdf polyvinylidene difluoride cellulose acetate filter syringe filter 0.22µm polyethersulfone polytetrafluoroethylene mixed cellulose ester (mce or mec) glass fiber mgf 0.7µm]