Pyrex 4280 Spherical Joint Round Receiving Flask

The Pyrex 4280 Spherical Joint Round Receiving Flask is a 2000 mL receiving flask featuring a spherical joint and a wide lip neck, designed for use in common laboratory glassware assemblies that require a spherical joint connection. This Pyrex vessel functions as a receiving flask, enabling secure transfer and collection of liquids or condensates within compatible equipment during routine lab workflows. The wide lip neck simplifies handling, pouring, and alignment with attachments, while the spherical joint provides a stable interface with matching adapters in standard lab configurations. As part of Pyrex’s line of laboratory glassware, the 4280 combines a large capacity with a round body and a versatile joint interface to support a range of experiments and glassware layouts.