Optimized to Provide the Most Consistent Results when Analyzing Ionic Species. Acrodisc PSF syringe filters are Zymark* and SOTAX* Automation Certified to assure smooth operation and worry-free performance 24 hours a day in automated workstations. Accurate results for the most sensitive analysis of ionic species. Certified for low levels of extractables detected by conductivity. High flow rates with optimized Supor® polyethersulfone membrane.