Made from PYREX® borosilicate glass.

• Very good chemical resistance
• High temperature resistance
• Minimal thermal expansion, giving relatively high resistance to temperature changes

Filter tubes have a constricted lower end. They can be used on the bottom end of 30 mm O.D. PYREX® Gooch low form fritted disc crucibles to collect the filtrate. They can also be used directly with porcelain plates.

The constricted lower end is approximately 75 mm long by 8 mm O.D. on all sides.