Does Waters sell Oasis MCX in an Online Column Format? - WKB207741 Last updated Save as PDF Share Share Tweet Share Article number: 207741 ENVIRONMENT Oasis MCX Online Column ANSWER Yes, but only in a 30um particle ADDITIONAL INFORMATION SKU- 186002046-Oasis MCX Online Column, 80Å, 30 µm, 2.1 mm X 20 mm id207741,