Titan3 Syringe Filter, PTFE (hydrophobic) membrane, 0.2um pore size, 17mm diameter, color-code. Manufacturer: Thermo Fisher Scientific. item no.: TF42213-PC. €677.00. Close and edit product. Titan3 Syringe Filter, PTFE (hydrophobic) membrane, 0.2um pore size, 17mm diameter, color-code. Price: