Straight tubes are a very efficient way to smoke.They travel straight up the tube with minimal drag and effort on your part. They percolator smoother like a bubbler because they hold less water. They are very quick to clear, which can be either good or bad depending on what you like.
Straight tubes tend to have smaller bases making them more prone to tipping over.
Check out beaker bongs for that chemistry class feel.
|Silicone Bongs||Straight Tube Bongs||Percolator Bongs||Beaker Bongs||Cheap Bongs|