Buy HP - Hewlett Packard 51640M
Magenta (Red) ink cartridge - Has ink level indicator - Prints approximately 700 pages at 15% density (USA)
HP - Hewlett Packard
OEM (Original Equipment Manufacturer) - this item is the original item sold from the manufacturer.
Compatible means the item is a replacement of your OEM product. OEM and Compatible parts carry the same type of warranty and are cost effective.
Refurbished is the process of reselling an item that had been in good working order. Refurbished items are dis-assembled and restored to "like new" condition.
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