What's Happening Inside Your Filter Coffee Maker? A filter coffee machine is a cheap, easy to use machine which makes filter ground coffee. It works by heating water in an aluminum tube and then allowing it to flow through ground coffee. There are many ways to make filter-coffee, and each https://www-coffeee-uk48589.daneblogger.com/29849935/17-signs-you-re-working-with-drip-coffee-pot