This 47 mm MF-Millipore membrane is composed of mixed cellulose membrane & has a 5.0 um pore size. With biologically inert mixtures of cellulose acetate & cellulose nitrate, MF-Millipore membranes are widely used in analytical/research applications.

This 25 mm syringe filter with a Graduated Glass Fiber & Hydrophilic PTFE membrane, for non-sterile filtration, has a 0.45 µm pore size used in clarifying of aqueous & organic solutions with high particulate levels.