No nothing unscrews its glass, u can put water in through the end or through the carb but i cant see the other side in that pic. So i cant tell if it has one probably does but, that would suck if it dident. You fill the chamber where the water is about half way to where the end of the down pipe is like half an inch but just make sure it hits where you like it. damn im high like a muthafucca:jointsmile::thumbsup: