Quote Originally Posted by MacWQ33
I'm guessing you got it at a headshop?
It wasn't really a headshop, more like a ancestral kinda store that had a pipe section.

How do you know its pyrex? And whats so bad about pyrex glass?

Specialty tobacco pipes, though commonly used for smoking marijuana, are made from Pyrex. The high heat resistance allows the pipe to tolerate a longer period of use, and also more durable. - http://en.wikipedia.org/wiki/Pyrex#Examples_of_usage