Common use pore size 0.2um PTFE membrane filter distributor
Pall 4251 Acro 50 Vent Devices with PTFE Membrane, 50 cm, 0.2 µm Pore Size, Hose Barb, Pack of 18: Science Lab Filters
Pore Size: 0.2 µm Size: 50mm Effective Filtration Area: 19.6 cm2 Typical Air F...