25mm 0.22um Cellulose Acetate Syringe Filter for HPLC Acrodisc Wbc Iso9001 0.22 um syringe filter for petrochemicals-Analytical Oct 29, 2021 · Cellulose Acetate Syringe Filters, 0.22um, 25mm, Double Luer Lock, PP Housing, Nonsterile, 100 per pack. $98.00.