Set of 2, 250ml Round Bottomed Florence Flasks "New"

 Borosilicate Lab Glass

2 x 250ml Glass Florence Flasks, and feature a round bottom & long neck,

 which makes them ideal for boiling liquids, this is because the round bottom promotes even heat distribution.   

Manufactured from low expansion borosilicate glass, these flasks are very resistant to chemicals & mechanical and thermal shock.