The cellulose acetate (CA) membrane is ideal for aqueous solutions and biological samples close to neutral pH. Stable at elevated temperatures for low protein binding and high recovery. 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, 0.45um membrane, 100/pk. Not compatible with sodium hydroxide (NaOH), dichloromethane, chloroform, ketones, DMSO, and aids >1N.