Ecofill HP 301 Professional Refill Kit Black & ColourFor use with the HP Deskjet 1000, 1010, 1050, 1050A, 1510, 2050, 2050A, 2050s, 2510, 2540, 3000, 3050, 3050A, 3055A, HP Envy 4500, 4502,...