HPLC Mobile Phase Filtration Membranes, 47 mm 66557 0.2 µm, GH Polypro (PP) membrane 100/pkg NA 0 66548 0.45 µm, GH Polypro (PP) membrane 100/pkg NA 0 66143 0.2 µm, TF (PTFE) membrane 100/pkg NA 0 66149 0.45 µm, TF (PTFE) membrane 100/pkg NA 0 66477 0.2 µm, FP Vericel (PVDF) membrane 100/pkg NA 0