Premium T522120-S (Epson T522) Black Ink Bottle fully compatible with the Epson EcotTank ET-2720, ET-4700. The use of compatible supplies does not void your printer warranty.
Premium T522220-S (Epson T522) Cyan Ink Bottle fully compatible with the Epson EcotTank ET-2720, ET-4700. The use of compatible supplies does not void your printer warranty.
Premium T522320-S (Epson T522) Magenta Ink Bottle fully compatible with the Epson EcotTank ET-2720, ET-4700. The use of compatible supplies does not void your printer warranty.