Acrodisc Syringe Filter 4mm 0.45um. 4mm diameter. Hydrophobic PTFE membrane. Polypropylene support. Chemically compatible. HPLC certified for low level UV-absorbing extractables. Female Luer-Lok inlet. Male slip Luer outlet.\<10uL hold-up volume. 75psi pressure. Nonsterile autoclavable.