Feb 15, 2022 · 47mm ptfe membrane filter 0.2 um manufacturer-Voa Vial Nov 16, 2021 · PTFE Unlaminated Membrane Filters, Hydrophilic, 0.2 Micron. PTFE Unlaminated Membrane Filters, Hydrophilic, 0.2 Micron, 47mm, 100/Pk (H020A047A) Durable, efficient, and broadly compatible, these pure, hydrophilic PTFE membranes are ideal for use with HPLC seperations