LxTek Remanufactured Ink Cartridge Replacement For HP 27 & HP 28 (1 Black | 1 Tri-Color) C8727AN C8728AN LxTek remanufactured ink cartridge replacement for HP 27 & HP 28 have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience. Page Yield: 280 pages per black and 240 pages per tri-color, cartridge at 5% coverage. Compatible Printers: HP Deskjet 3320, Deskjet 3420, Deskjet 3520, Deskjet 3550, Deskjet 3620, Deskjet 3653, Deskjet 3740, Deskjet 3744, Deskjet 3745, Deskjet 3747, Deskjet 3840, Deskjet 3843, Deskjet 3845 Printer Package Contents: 2 Pack (1 Black | 1 Tri-color) remanufactured HP 27 & HP 28 ink cartridges. Guarantee: 1-year limited warranty / Shelf life: 18-24 months