Capacity:   39 ml. Color:   Item Number 51645A Shelf Life:   1 Year Yield:   Up to 833 pages at 5% coverage Over View:   This defect free 51645A cartridge is fully compatible with the Original HP Brand and ISO 9001 certified manufacturer. It meets or exceeds all specifications for the HP. 100% Satisfaction Guaranteed! HP51645A-GReg. Price: $ 17.90Sale Price: $ 13.90