PTFE Syringe Filters Hydrophilic, 0.22 um, 25mm, Double Luer Lock, PP Housing, Nonsterile, 100 per pack, SPEC18152. Regular Price $161.52 Price $140.45 As low as $126.41. Add to Cart. PVDF Syringe Filters, 0.22 um, 25mm, Luer-Lok/Luer Slip, Sterile, 100 per pack, SF14462.