Aijiren’s PTFE syringe filter does not contain tritium and has a two-way membrane support, which is very suitable for syringes. The membrane type and pore size are printed on each filter for easy identification. All Aijiren syringe filters are 100% integrity tested and comply with ISO standards. PTFE (polytetrafluoroethylene) performance: suitable for water systems and various organic solvents, and resistant to all solvents, low solubility. It is breathable and impermeable, large air flux, high particle retention rate, good temperature resistance, resistance to strong acids, strong alkalis, organic solvents and oxidants, aging resistance, non-sticky, non-flammable, non-toxic and biocompatible. Its related products are widely used in chemical, pharmaceutical, environmental protection, electronics, food, energy and other fields.