These are expensive, and I don't know why they are, but the first time I used one knew that I had to share them with others.

The top half holds the water and there is a filter holder in the bottom. The the water drips through the grinds and into the bowl at the bottom. You can control the flow of water with the tap on the side.

Great talking point at any dinner party, great coffee, just not such a great price. I can tell you we are just covering our costs at this price, so please don't ask for money off :)