# Coffee filters

> <p>As well as creating waste volume, many paper filters are <a rel="noopener" href="https://www.perfectdailygrind.com/2017/08/great-paper-coffee-filters-debate-bleached-vs-unbleached/" target="_blank"><span>bleached</span></a><span> with chlorine or oxygen. Oxygen is more environmentally friendly than chlorine, but it’s still a chemical process with waste products. So, consider using unbleached filters or switching to a reusable one.</span></p>

![Filter](https://euronomy.eu/media/i14nilh2/filter.jpg)