KX Syringe Filter, PTFE. 13mm 0.22µm. • Unsuitable Sample: Not recommended for aqueous samples without conditioning. • Sample Volume: 6ml. • Protein Binding: High protein binding. • Burst Pressure: 100psi. • Hold up Volume: 13µl. • Filter Housing: Polypropylene. • Connections: Luer-lok inlet/Luer outlet.