100PCS PTFE Syringe Filter 0.22μm 25mm Non Sterile Hydrophobic Filtration Fit US $8.45 to $37.59 Was: $8.99 Free shipping 10-100pcs Nylon Membrane Syringe Filter OD=13mm 0.22 Micron Plastic Disposable $7.51 to $26.31 Was: $7.99 1000PCS Syringe Filter PTFE Membrane 25mm 0.22um Biomed Scientific Disposable PP $303.99 Was: $319.99 or Best Offer