Pyrex, Kimax, Borosilicate... all valid descriptions of what you are looking for. I got lucky and found a 5L at my LHBS for a vey reasonable price. It's definitely not lab grade (typically a bit thicker), but it works.
I don't understand this sudden outrage at "anti-vaxxers" -KCBrewer
Why doesn't the media mention the tens of thousands of children of illegal immigrants -KCBrewer