HP 61 Refill Kit for HP 61 Ink Cartridges for HP ENVY 4500 5530 4502 Deskjet 2050 3050 2540 1050 1510 1000 1010 3050A 2544 2542 OfficeJet 4630 2620 Printers (30UFHP61B2) 2PK 30ml U FiLL INK 60ml Black U-FiLL INK Refill for: HP 61 CH561WN Black Inkjet Cartridge Premium dye ink for superior print quality. Backed by a 100% Guarantee and a Two- Year Warranty All manufacturer brand names and logos are registered trademarks of their respective owners. We reference these Mfg names for compatibility purposes only.