Premium C9391AN (HP 88XL) High Yield Cyan Inkjet Cartridge fully compatible with the HP Officejet K550, OfficeJet Pro L7500. The use of compatible supplies does not void your printer warranty.
Premium C9392AN (HP 88XL) High Yield Magenta Inkjet Cartridge fully compatible with the HP Officejet K550, OfficeJet Pro L7500. The use of compatible supplies does not void your printer warranty.
Premium C9393AN (HP 88XL) High Yield Yellow Inkjet Cartridge fully compatible with the HP Officejet K550, OfficeJet Pro L7500. The use of compatible supplies does not void your printer warranty.