25 mm Acrylic Syring Disk Fluid Filter 0.2 Micron Pore Size With Supor membrane, clear/blue, FLL/MLL, sterile Superior flow rates and throughput offer faster filtration times and more filtration per device Biologically safe - all materials of construction pass USP Biological Reactivity Tests, In Vivo <88> Effective Filtration Area 2.8 cm2 Maximum Operating Pressure 5.2 bar (75 psi)