TN Lab Supply sells a wide range of flat bottom boiling flasks made with Borosilicate Glass that come complete with rubber stoppers. These Florence Flask Flat Bottom Boiling Flasks are available in 50ml, 100ml, 250ml, 500ml, 1000ml, 2000ml, 3000ml, 5000ml and 10000ml sizes with each made of Borosilicate 3.3 glass.




