Dual Solution® reservoirs are two basins in one, with innovative shape to guide and protect pipettor tips. Polypropylene solution basin/reagent reservoir has a standard 50mL basin on one side and 12 individual 5mL basins on the other side. Wells are angled both downward and outward, guiding multichannel pipettor tips toward a centered position, which helps to avoid contamination and waste. Blue indexing keeps samples oriented correctly; loose-fitting lids prevent evaporation and contamination. Non-sterile. Pack of 25 Basins and 25 lids.