Hewlett Packard No338/343 Combo Pack Inkjet Cartridge CMYB. OEM: SD449EE. Including a colour cartridge and a black cartridge, this combination pack of No.338 and No.343 cartridges from HP gets the very best from your machine. Giving colours that are bold as well as a range of subtle half-shades, you can be sure that all prints are eye-catching and properly rendered. Working with an exceptional level of precision, all lines are kept sharp and inks do not bleed into one another, preventing murkiness.