What's Happening Inside Your Filter Coffee Maker? A filter coffee maker is a cheap machine that is easy to use that produces filter ground coffee. It is operated by heating water in an aluminum tube & then allowing it to flow through ground coffee. There are many methods to filter https://coffeeeuk57346.ja-blog.com/30484452/be-on-the-lookout-for-how-drip-coffee-pot-is-taking-over-the-world-and-what-to-do