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3 x Cartridges replacement for Hp 2x 56 XL + 1x 57 XL Mega Set ink cartridge OfficeJet 4100 black 22ml + color 25ml replacement for HP C6656A + Hp C6657A (hp56xl, hp57xl hp 56xl, hp 57xl) black, BK, colored Gala series (electronic) 5
3 x Cartridges replacement for Hp 2x 56 XL + 1x 57 XL Mega Set ink cartridge OfficeJet 4100 black 22ml + color 25ml replacement for HP C6656A + Hp C6657A (hp56xl, hp57xl hp 56xl, hp 57xl) black, BK, colored Gala series (electronic)