The Inner Chamber (with the bowl on it) is a 2-liter. The Outer Chamber (that holds the water) is a 3-liter. I tried it with two 2-liters, but it was too snug of a fit to really work, and it was difficult to avoid spilling water everywhere. But this is perfect.
Hempamasta Reviewed by Hempamasta on . Look. I have christened this frightening, awe-inspiring, insanity-inducing, and revolutionary tower of plastic "The Device". Please note all of these on my face reflected in the mirror in the 5th picture. This gravity is sheer genious. Rating: 5