PVDF Syringe Filters, 0.22 um, 25mm, Luer-Lok/Luer Slip, Nonsterile, 100 per pack, SF14456. Regular Price $119.91 Price $104.27 As low as $93.84. Add to Cart. Add to Wish List. Tisch Scientific Syringe Filter, Glass Fiber, 0.22 µm, 25 mm, Luer-Lok/Luer Slip, Nonsterile, 100 Pack, SF14781.