Hold-Up Maximum Maximum Typical Part Pore Volume Operating Operating Water Number Description Size (w/air purge) Temperature Pressure Flow Rate AP-4305 GxF/GHP 0.2 µm < 200 µL 55 °C (131 °F) at 2.1 bar 4.1 bar (410 kPa, 60 psi) 175 mL/min at 2.1 bar AP-4307 (210 kPa, 30 psi) at 21-24 °C (70-75 °F) (210 kPa, 30 psi) AP-4306