Maximum Operating Pressure 4 and 13 mm: 5.2 bar (520 kPa, 75 psi) 25 mm PSF: 4.1 bar (410 kPa, 60 psi) at 21 - 24 ºC (70 - 75 ºF) Typical Water Flow Rate mL/min at 3.1 bar (310 kPa, 45 psi) 4 mm, 0.45 µm: 3 13 mm, 0.8 µm: 180 25 mm PSF, 0.8 µm: 905 mL/min at 1.0 bar (100 kPa, 15 psi) 25 mm PSF, 10 µm: 1182 Related Products 47 mm Filter