Adapters are used to convert a single-neck round bottom flask to air-free operation.

• Top outer [ST] joint
• Bottom inner [ST] joint
• Both joints are same size
• With sidearm
• Fabricated from borosilicate glass

Adapters have an outer standard taper joint at the top and an inner standard taper joint at the bottom. Outlet can be either 2mm glass stopcock or a 0-3 inlet valve. Upper and lower joint sizes are the same. Ideal for adapting flasks and other components for Schlenk lines.