What's Happening Inside Your Filter Coffee Maker? A filter coffee maker is a low-cost, easy to use machine that produces filter ground coffee. It works by heating water in an aluminium tube and allows it to flow over the ground coffee. There are many methods to filter coffee, each one https://www-coffeee-uk02119.pointblog.net/10-things-we-are-hateful-about-drip-coffee-makers-72351110