Mad Scientist Multi Chamber Glass BongThe Mad Scientist bong would look right at home in a crazed inventor's laboratory with dry ice drifting eerily all around it. But you don't need a facial tic, crazy hair and a white coat to enjoy the incredibly smooth hit this multi chambered bong provides. The main base tube has a fitted rubber base which is removable for easy access for cleaning purposes. The metal downtube and bowl insert into a smaller ashcatcher chamber which connects to the base