Shattered Erlen Meyer

[benno1973]

Coffee plunger inserts are generally borosilicate, and cheap too, as long as you're fine with the beaker shape rather than the conical flask shape...

 

[blotto]

Coffee plunger inserts are generally borosilicate, and cheap too, as long as you're fine with the beaker shape rather than the conical flask shape...

Can you get a 5L coffee plunger? That would get you going in the morning!

 

[Wolfy]

Can you get a 5L coffee plunger? That would get you going in the morning!

Coffee percolator-jugs also work fine and are made from the same kind of glass, they're usually larger volume than plungers.