TORAY Water Filter Cartridge, 600L Capacity I am selling this because I accidentally purchased the wrong model. The box has been opened, but the item is new and unused. The bag containing the cartridge has not been opened. - Brand: TORAY - Model Name: STC.V2J - Contents: 2 cartridges - Capacity: 600L - Replacement Instructions: Cartridge replacement instructions are printed on the box. - Usage Instructions: Cartridge installation instructions are printed on the box.