LD Ink Refill Kit for HP 901 (Color) Cartridge Refill: HP 901 (CC656AN) | Page Yield: 720 per refill | Shelf Life: 24-36 months per refill Includes: One 20 ml bottle of ink (for 2 refills), a manual, a screw tool, injection needle x 2, a pair of plastic gloves The use of LD replacement ink and toner cartridges does not void your printers warranty All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee For use in the following printers: OfficeJet G510a, G510g, 4500, J4680c, J4680, J4540, J4580, J4624, J4550, G510n, J4524, J4660, J4860