Compatible with a select few HP Designjet Z Series PostScript printers, the P2V78A magenta is one of the most commonly replaced colours in the Hewlett Packard 746 ink cartridge range. Each HP 746 magenta ink cartridge comes fully guaranteed by the manufacturer, to best ensure your satisfaction.The HP 746 magenta ink cartridge offers the very highest quality for your large format inkjet printer and remains unbeaten by any other alternative product. With each Hewlett Packard P2V78A cartridge containing a full 300ml of magenta ink, you can get many large scale designs printer before you even need to consider changing the unit.