PYREX 500mL Kuderna-Danish Replacement Flask with Hooks

The PYREX 2158-500FO 500mL Kuderna-Danish Replacement Flask is designed as the central flask component of compatible Kuderna-Danish concentration systems. It provides a 500mL capacity and connects to the Snyder column through its 24/40 outer upper joint and to the concentrator/collection tube through its 19/22 inner lower joint. The flask is designed for solvent-extract concentration and analytical sample-preparation procedures. Key Features Genuine PYREX® / Corning glassware 500mL capacity MPN 2158-500FO Kuderna-Danish replacement flask 24/40 outer Standard Taper top joint 19/22 inner Standard Taper bottom joint Glass hooks for securing the assembly Springs included Keck clamps for both joints included Compatible with Kuderna-Danish concentration systems Replacement flask only — not a complete apparatus 4 per case according to Corning's selection guide Specification Details Brand PYREX® Manufacturer Corning Catalog Number 2158-500FO Capacity 500mL Product Type Kuderna-Danish Replacement Flask Top Joint 24/40 Outer Standard Taper Bottom Joint 19/22 Inner Standard Taper Retention Design Glass Hooks Springs Included Keck Clamps Included for both joints Material PYREX Borosilicate Glass Quantity per Case 4 Configuration Replacement Flask Only