2000ml Borosilicate Glass Filtering Flask, Bolt Neck with Tubulation, 2L (2 Lite
Material G3.3 Borosilicate Glass G3.3 Borosilicate Glass G3.3 Borosilicate Glass G3.3 Borosilicate Glass G3.3 Borosilicate Glass G3.3 Borosilicate Glass. Which Laboratory Flask Should You Choose?. Joint Type Standard Mouth 24/40 Joint Standard Mouth 24/40 Joint Wide Mouth Screw Neck.