HP 564 Refill Kit for HP 564 Ink Cartridges for HP PhotoSmart 7520 5520 6520 5510 7510 5524 6510 6525 7525 HP OfficeJet 4620 4622 HP Deskjet 3070a Printers (50UFHP564B3TC1) 6PK 50ml U FiLL INK 150ml Black, 50ml Cyan, 50ml Magenta, 50ml Yellow U FiLL INK with 4 Filling Syringes Refill for: HP 564 Black CB316WNHP 564 Cyan CB318WN HP 564 Magenta CB319WN HP 564 Yellow CB320WN 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.