PYREX®, borosilicate glass.

• Excellent chemical resistance
• High temperature resistance
• Minimal thermal expansion

These distilling suction tube adapters convert ordinary boiling flasks with 24/40 standard taper jointed necks to vacuum-type standard taper receivers. They have a 24/40 standard taper outer joint at the top and a 24/40 standard taper inner joint at the bottom. The sidearm is approximately 10 mm Ø by 25 mm long.