A 33 mm diameter sterile syringe filter with a 0.22 µm pore size hydrophilic Polyethersulfone (PES) membrane. Color Code: Green Connections, Inlet/Outlet: Female Luer-Lok/Male Luer slip Maximum Inlet Pressure, bar (psi): 10 (145) Sterilization: Gamma irradiation. Related Products: Syringe Filter 22.