INKUTEN Refillable Cartridges for HP 711 Ink Cartridge Hp DesignJet printers: T120, and T525 Empty set. Ready to be filled with your own ink. Brand new cartridges with chip. No more prying chip from old cartridges, Integrated filter to prevent clogging printhead. The cartridge is transparent. It is easy to view how much ink left to prevent from lack of ink to cause air bubbles or how much ink filled in to avoid overfill for easy operation. There are easy-refill hole and rubber plug on the top of each cartridge. It is very easy to remove the plug for ink refill and replace it back after refilled for the easy refilling. Save hundreds of dollars. Just buy ink from now on. Compatible with dye, pigment, edible or sublimation inks. Designed to be filled and refilled hundreds of times. Auto reset chips installed. The ink level will reset to full once you refill the cartridge. Compatible With: Designjet T120 T520 Cartridge HP 711