Original HP 971 Ink Cartridges deliver legendary HP print quality. Depend on Original HP 971 Ink Cartridges designed specifically for your HP printer. Tested in HP Officejet Pro X451dw. Approximate average based on ISO/IEC 24711 or HP testing methodology and continuous printing. Actual yield varies considerably based on content of printed pages and other factors. For details see http://www.hp.com/go/learnaboutsupplies.
No warranty information available.