They are very easy to clean. The long hole I think is 1/8 inch. I don't clean them all that often. I have nothing bad to say about glass, well maybe that I break to many pipes, very clumsy. I have yet to break one of the stone pipes. They are unique, just something a little different I thought U...
does anyone else smoke out of hard stone? yes, i did meet this guy he is now is a good chat buddy, but check out these pipes, so very unique. i now own 5 of them and only smoke out of hard stone.