Its a Evian bottle. With an actual slide... well sort of..buuut it works really well. No problems at all.. And yeaa thats pretty much it.. im thinking about making an ash catcher and ice catcher soon.. Its fun making bongs! Especially when they work well! It only cost... 1.79 Compared to an $80 and uupppp glass bongs.. but i do have to admit that glass is a lot better.. but since i have no money this makes up for it ! haha.. keep smoking.. 420.. wanna get high?? don't forget to bring a towel..
I'd pull your pen downstem up a little bit, give it some room to filter the smoke. other wise it looks like a pretty solid home made, gj
usually i just set one up with whatever plastic bottle is at hand, and a burnt hole in the side works brill as a turbo