HP 304 XL Black ink lasts up to 2.5x longer than a standard ink cartridge. That means you can print up to 480 pages per cartridge. The HP 304 Xl cartridges are genuine HP printer ink, meaning they guarantee reliability, performance, and endurance. They are also easy to install and can prolong the life of your printer over time. They can also enable extra features on your printer, like low-ink warnings. For the full compatibility list for HP XL 304 ink, please see below.FeaturesPage Yield 480 PagesCompatible with:HP DeskJet 1110 Printer (F5S20B)HP DeskJet 2130 All-in-One Printer (F5S40B)HP DeskJet 2132 All-in-One Printer (K7N78B)HP DeskJet 2134 All-in-One Printer (K7N80B)HP DeskJet 3630 All-in-One Printer (K4T99B)HP DeskJet 3632 All-in-One Printer (F5S49B)HP DeskJet 3633 All-in-One Printer (K4U03B)HP DeskJet 3634 All-in-One Printer (F5S50B)HP DeskJet 3636 All-in-One Printer (K4U00B)HP DeskJet 3638 All-in-One Printer (K4U02B)