Whatman SPARTAN HPLC Syringe Filter, 13 mm, Regenerated Cellulose, 0.2 µm, 500 Pack, 10463102. Whatman SPARTAN Syringe Filters ensure reproducible results from the filtration of organic and aqueous solutions in HPLC. For batch-to-batch consistency, the SPARTAN range of Filters are tested and certified for the absence of UV-absorbing substances