Durabrite Ultra ink fast drying and ideal for duplex printing because ink dries instantly, it's ideal for use in environments, where duplex printing is regularly used or set as standard. Its surface adhesion means, that there is less 'bleed through' on the page and because it dries instantly there is no risk of smudging, when printing on both sides of the paper. Coated in resin, Durabrite Ultra ink particles are protected from water and highlighter pens, ensuring, that they don't smudge, when pages are written over or highlighted. Compatible with Epson WorkForce Pro WF-3720DWF, WF-3725DWF.