or
Cytiva (Formerly GE Healthcare Life Sciences) Grade 1574 1/2 Qualitative Filter Papers, Folded, Diameter: 110 mm, Grade: Grade 1574, Folded (Prepleated/Fluted Circle), Basis Weight: 90 g/m2, Filtration Speed: 85 s (Herzberg), Particle Retention: 12 um, Qu