Feb 17, 2020 PTFE Hydrophobic Syringe Filters 0.22 or 0.45um These filters can handle high-temperature liquids, excellent flow rates, Syringe Filters for HPLC & Sample Preparation | analytics-shop.com. Items 1 – 50 of 1751 When selecting syringe filters, the highest quality materials should be used Syringe Filter, PTFE, 0,20 µm, ø25 mm, Hydrophilic, 150.