Ink cartridges deliver outstanding results page after page. Superior Lexmark design means precision pairing between printer and cartridge for value, quality and environmental responsibility you can count on. Combo pack includes No. 17 Black and No. 27 Moderate-use Color Print Cartridges. Both cartridges are compatible with Lexmark X75, X1150 PrintTrio, X1185, X1250 LA LV, X1270, X2250, Z13, Z23, Z33, Z25, Z35, Z515, Z517, Z605, Z611, Z615, Z617, Z640 LA LV, Z645 and Z647 LA LV. Black cartridge yields approximately 220 pages. Color cartridge yields approximately 219 pages.