Whatman 7187-114, Mixed Cellulose Ester Filter, ME Range (ME 24), gridded, white/black grid 3.1 mm, sterile, 0.2 um pore size, 47 mm circle (100 pcs) Regular Price $120.19 Price $104.37 Add to Cart Whatman 7153-104, WME BL GRST 47MM 0.45 um 100/PK Regular Price $227.10 Price $197.22 Add to Cart 9 Items Show per page 47MM Clear All