Bulk Continuous Ink System (CIS) for: HP Deskjet D4260 D4360 (Related Cartridge # : HP74, HP75) No more Ink Cartridges purchase, no more Cartridges replacement, refillable ink cartridges/ink reservoirs enable countless refills Pre-filled with 165ml x 1 color, 125ml x 1 color and 100ml x 2 colors = 490 ml of premium Dye based Ink Quick and Easy installation, you will be printing in minutes 80 percent saving on individual Inkjet Cartridge Auto-reset chipsets reset the cartridges so there is no need to utilize a chip resetter nor take the cartridges out of the printer to refill