A simple coffee maker that makes good coffee and keeps warm without burning

A perfect compromise if you want a compact coffee, light, making good coffee both in 'large quantities', that for one or two small cups.
The water pressurization can recover much of the coffee aromas.
The anti limestone coating greatly facilitates cleaning: limestone tends to detach itself in the tank.
-> To clean the tank just to put a little water, stir and return the machine, and the water spring with limestone flake.
-> Clean the filter system regularly so that the holes are not clogged with limestone: you unscrew the mounting screw (by hand it normally turns easily) and rinse you. Be careful not to tighten too much because it's useless and above this damage your main strength to the system.
With this coffee I can make 2 large bowls of black coffee (or 3 medium bowls) in the morning and full of cafes tight lunch.
The only problem: finding round filters is becoming increasingly difficult; you can order on the Internet and in any case when I'm running, I summarily cut filter V