HP C8728AE No 28 Colour Inkjet Print Cartridge. To fit Deskjet 3320/3325/3420/series/3550/3650/5100/PSC1317. Page life - 190. Allowing you to create the very best prints in an instant, the HP No.28 Ink Cartridge is essential for producing documents that will impress people. Working quickly, this ink cartridge is best suited to use in the home or in a small office. HP ink is designed to be absorbed into the paper quickly, thus ensuring that your page is free from all types of blotting and smudging. This reduces the chance that you will have to re-print items, saving you time and money.