Tisch Scientific Syringe Filter, Glass Fiber, 0.22 µm, 25 mm, Luer-Lok/Luer Slip, Nonsterile, 100 Pack, SF14781. Regular Price $101.86 Price $88.57 As low as $79.71. Add to Cart. Add to Wish List. Polypropylene Syringe Filters, 0.22 um, 13mm, Luer-Lok/Luer Slip, Nonsterile, 100 per pack, SF14704.