Manufactured from ASTM E-438, Type 1 Class A borosilicate 3.3 glass, this flask features heavy-wall construction for enhanced mechanical strength and includes a glass hose connector, making it ideal for vacuum filtration applications in the laboratory.
Flask sizes 25 to 500 mL accept 7.9 mm (5/16") I.D. flexible tubing. Sizes 1L and larger accept 9.5 mm (3/8") I.D. tubing.
