Q-Max® with Polyethersulfone (PES) membranes are supplied in different versions.
- 13 mm and 25 mm with 0.22 and 0.45 µm membranes.
- Sterile 25 mm with 0.22 and 0.45 µm membranes.
PES is a very porous membrane type mainly used for filtration of aqueous liquids, pH-14, and some solvents. PES is a low protein binding membrane type.