66557 0.2 µm,47 mm 100/pkg 66628 0.2 µm,50 mm 100/pkg 66629 0.45 µm,13 mm 100/pkg 66340 0.45 µm,25 mm 100/pkg 66640 0.45 µm,37 mm 100/pkg 66548 0.45 µm,47 mm 100/pkg 66625 0.45 µm,50 mm 100/pkg 66626 0.45 µm,90 mm 100/pkg GH Polypro (GHP) Membrane is Virtually a Universal Membrane for All Applications General Non-aggressive Aggressive