Flask, Round Bottom Flask, Single Neck, Joint, Capacity 5ml, Socket Size 14/23, Durable And Reusable, Borosilicate Glass 3.3

round bottom flask with single neck manufactured from ASTM 438 type 1 class Borosilicate 3.3 heat resistant glass. All the Flasks come with thick uniform wall thickness and are printed with white enamel. All the Flasks conform to DIN / ISO 4797 and UPS standards.