Globe Glass™ filter flasks meet ASTM E1406 specifications.

• Made exclusively from ASTM E438, Type I, Class A, 3.3 borosilicate glass
• GlassGuard™ packaging system protects against transit damage
• Side tubulation connects to 7-8 mm flexible tubing
• Dual metric scale graduations
• Durable white enamel printing
• Large white marking area

Thick, heavy-duty walls provide the mechanical strength necessary for filtering operations. Flasks have side tubulation for connection to 7-8 mm flexible tubing. Globe Glass filter flasks are designed with reinforced, beaded rims for strength and resistance to chipping.