Wholesales 25mm PTFE membrane filter price PTFE Membrane Filter, 55mm, Hydrophobic, 1.0 um, Used with EPA Method OTM 28 (Method 5 with 202), 50 per pack, SF17940 Regular Price: $223.60 Price $179.50 Get Price Filtration Supplies - Ptfe Filter - Trout Underground Ptfe Syringe Filter Price - Buy Cheap Ptfe Syringe Filter At