Whatman Spartan HPLC certified syringe filters, , regenerated Whatman® Spartan® HPLC certified syringe filters Spartan 13 mm syringe filter, regenerated cellulose, 0.45 μm, 100/pk; Synonyms: Z612758,disposable syringe filters; find -WHA10463110 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich