The regenerated cellulose (RC) membrane is optimized for samples requiring high recoveries such as biological assays, protein-based samples, and gel capsule dissolution testing. It has the lowest protein binding of any Syrfi membrane. Filter inlet can be connected to either a Luer slip or lock syringe. Filter outlet can accommodate a Luer slip needle or other connector. Polypropylene housing, 13mm diameter, 0.2um membrane, 100/pk. Not compatible with DMF, phenols, and >25% of sulfuric, hydrochloric, phosphoric, and nitric acids.