Add to Cart. Titan3 Syringe Filter, PVDF membrane, 0.2um pore size, 17mm diameter, color-code. Item number: TF42213-PVC Brand: Thermo Fisher Scientific. In stock. €832.10. Add to Cart. Titan3, 30mm FILTER GREEN0.45um NYLON MEMBRANE 100/PK. Item number: TF44525-NN Brand: Thermo Fisher Scientific. In stock.