Originally Posted by bnmir
I bought a beaker much cheaper than a flask, and less prone to boilovers.
You must have got a good deal, then. Amazon's price for a 5L beaker is $49.95 vs the $26.00, used, for a flask, on Ebay. Rebel Brewer's flask is $34.95, new. As I don't plan on boiling in it, (electric stove), boilovers are a moot point.