Refilling your inkjet cartridges is easy. Save up to 80% OFF the cost of a store bought OEM cartridge by simply taking your empties to the nearest INKstation location. Most cartridges can be be refilled 4 to five times resulting in significant savings. More importantly, refilling / recycling your inkjet cartridges helps to save the environment by diverting cartridges away from landfills each year. Did you know that it takes thousands of years for an inkjet cartridge to break down in a landfill.