Tenders for Supply of Merged Cobas Items. Bil-T Reagent Substrate For Cobas C311 Of 250 Tests Kit Bil-D Reagent Substrate For Cobas C311 Of 350 Tests Kit Cell Wash Solution Ii/Acid Wash Solution Ii Reagent For Cobas C311 Of 2X2l Tests Kit Gamma- Glutamyl Transferase Ggt Reagent Enzyme For Cobas C311 Of 400 Tests Kit.