67XL Compatible Black + Colour Combo Set for HP

Combo Set: 1x Compatible Black High Capacity Ink Cartridge 1x Compatible Tri-Colour High Capacity Ink Cartridge For the following Printers: HP DeskJet 2720 HP DeskJet 2721 HP Envy 6020 HP Envy 6420 Yield: Black up to 240 Pages, Colour up to 200 pages at 5% coverage on A4. Due to HP+ firmware restrictions, HP+ connectivity or “E” series printers (models ending with "E" such as 2720E) require genuine HP cartridges to function. Non-“E” models can use compatible cartridges, provided HP+ has not been enabled during the initial setup of the printer. "E" models including whats listed below will not function with the compatible cartridges: HP DeskJet 2720E HP DeskJet 2721E HP DeskJet 2820E HP DeskJet 4120E HP DeskJet 4122E HP Envy 6020E HP Envy 6030E HP Envy 6032E HP Envy 6420E