INKUTEN EMPTY CISS for 220 #220 T220XL WF-2750 WF-2760 R2 Printers Continuous Ink system The whole system consists of a set of spongeless cartridges with tubes attached, auto reset chips, 2 tubing brackets, 4 vacuum pumps assembly for filling, 4 syringes with needles and installation instructions No need to repeatedly refill small messy cartridges. The ink tanks hold the equivalent of 40 cartridge refills. Smart-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 No need to turn off printer or remove cartridges to reset or refill as with small cartridges. Pre-assembled, easy installation and low maintenance. Ideal for printing shop and small businesses.