This is a compatible HP GT51XL ink bottle. This replacement cartridge for HP GT51XL delivers first-rate quality and incredible value. The compatible with HP GT51XL ink cartridge is manufactured under stringent quality control standards and is systematically inspected, disassembled, cleaned and refilled with 100% new ink which is made in the USA. Besides the exceptional printing quality, this HP GT51XL compatible inkjet cartridge also gives you an economical alternative to buying expensive OEM (Genuine) HP inkjet cartridges.