Discounting ptfe membrane filter 0.22 um on stock Syringe Filters, .22um, PTFE (Hydrophilic), PTFE, Pore PTFE Hydrophilic Syringe Filters, 0.22 um, 20mm, Threaded Double Luer Lock, ABS Housing, Nonsterile, 100 per pack, SPEC18160 Regular Price: $155.88 Price $132.50