Buy syringe filters online; there are high-quality options available that feature PTFE, Nylon, PES, or PVDF membranes. In addition to sterile and non-sterile options, the syringe filters will allow for precision filtration in laboratories, chemical analysis, HPLC sample preparation, and other research applications. They are compatible with a variety of laboratory applications with reliable performance at 0.22 µm and 0.45 µm microfiltration.