Aug 25, 2022 · Common use 0.2 um PTFE syringe filter for fertilizers Oct 29, 2021 · Syringe Filter 0.2 at Thomas Scientific. EZFlow 13mm, 25mm, and 33mm Syringe Filters are used for prefiltration, clarification, or fine particulate removal. These syringe filters are available in a variety of filter membrane materials, offered in 0.2µm or 0.45µm pore sizes.