EXW price ptfe 0.22 micron filter Corning-PTFE Membrane Filter. Low Cost PTFE Syringe Filters - Samples Available - Ships. PTFE Syringe Filters, 0.22 um, 20mm, Threaded Double Luer Lock, ABS Housing, Nonsterile, 100 per pack, SPEC18142 Regular Price: $146.70 Price $124.70.