DONLAB ZH003 Glass Single Neck Round Bottom Boiling Flask Set 25, 50, 100, 250, 500ml with 24/40 Joint
- 25, 50, 100, 250, 500ml one each 24/40 joint
- Single neck, round bottom
- Heavy wall durable design
- The man-blowing Borosilicate 3.3 glass is uniform and flawfree