Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: They say 12 - 14 cups, but how many ounces of coffee does it make?
Document: Great product, fast delivery....but you don't get what you ordered! In my case, I had paid for 4 cup size item, the pot that I got can produce max 2 expresso cups. It's not really a seller's scum but the producer's. BEWARE!! !
I love this little espresso maker. It is small and truly makes two cups of expresso, but the European size of it, not the American. If you want to drink more than the Italians do in one cup of expresso and you have more than two people than you should go for a larger size.I love the design.
It was easy to unscrew, add standard plumber's teflon tape, and screw in again, so that problem is solved. But still sloppy of them.2) I have a "2-cup" unit. It holds about 8 grams of grounds (dry) or 10g if I pack it in (not recommended). It produces maybe 40ml of coffee. A standard single espresso uses 6.5g of grounds to produce about 30ml of drink; a double is twice that (duh).
it came with some rust inside the base and i already complained and have not heard back from any one
So while a moka pot does not really produce true espresso, I find it questionable that they should sell a "2-cup" unit that produces something much like a "single espresso"--it could legitimately be called a 1-cup or in the USA a half-cup, but never a 2-cup.
If you don't look too closely the unit qualifies as decoration, and it certainly works if you take the time to learn its quirks.Making back-to-back coffees in this thing is awkward. When the unit has just made a shot, it is very hot--you'll be cleaning and rinsing it while wearing oven mitts.
I returned that one and bought the Vev Vigano which was made in Italy and the quality of the craftsmanship is top notch.
I absolutely love this espresso pot. I bought the 2 cup (3 oz) version and it really makes less than 2 oz - which is fine with me, but would have been nice to know when I was considering purchasing it. I have the Bialetti aluminium espresso pot that makes a lot more and I am happy with it. I wanted to get one that was stainless steel and smaller. I bought the Bialetti brand stainless steel that was made in India and it was a piece of junk.
Answer: I have the 6 cup model. I just measured the amount of water used to fill the base to the recommended level: 10½ oz. This one's double that size, so 21 oz. more or less. Maybe more, because it's 12-14; maybe less, because the grounds absorb water and some is lost as steam.