Nov 01, 2021 · Oct 29, 2021 · Leading Supplier of PTFE Syringe Filter,Welcome to Inquiry Amazon ptfe membrane filter 0.22 um for metals-Voa Vial Deschem 47mm, 0.22um, PTFE Membrane Filter, Made from Polytetrafluoroethylene, 50 Pcs/Box: Amazon.com: Deschem Glass Reducing Adapter from 24/40 Cone to 19/22 Scock Joint $6.99 Deschem 250ml 24/40 Glass Soxhlet