Draw attention to text, images and other graphics with these black and tri-color ink cartridges. Thanks to a thoughtful design, these ink cartridges work smoothly with select HP printers for high-quality results and makes installation simple. These HP 21/22 ink cartridges have a standard yield, providing plenty of printing capacity for your home. Standard inks, up to 190 (black) / 165 (color) pages. The multipack contains individual color cartridges (dye-based tri-color and pigmented black). Compatible with: HP DeskJet 3910, 3915, 3920, 3930, 3930v, 3938, 3940, 3940v, D1311, D1320, D1330, D1341, D1360, d1368, D1420, D1430, D1445, D1455, D1460, D1470, D1520, D1560, D2320, D2330. The unmatched reliability of original HP ink cartridges mean consistent convenience and better value. Comes in two cartridges per pack to save your money. Print out letters, class projects and a variety of other documents with these HP 21/22 black and tri-color ink cartridges. Safety Data Sheet