Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More
Learn More
Corning™ PYREX™ Kuderna-Danish Replacement Flasks
Shop All Corning Products

Click to view available options
Capacity (Metric):
250 mL
500 mL
Includes:
1 in. stainless steel springs
1 in. stainless steel springs, hooks
Description
These PYREX replacement Kuderna-Danish flasks have s a 24/40 outer Standard Taper upper joint and 19/22 inner Standard Taper lower joint.
- Cat. No. 2158-250FO includes a pair of stainless steel springs.
- Cat. No. 2158-500FO includes a pair of stainless steel springs and two sizes of Keck clamps.
- Cat. No. 2158-1 LFO includes a pair of stainless steel springs.

Specifications
Specifications
Product Type | Kuderna-Danish Replacement Flask |
Capacity (Metric) | 250 mL |
Capacity (English) | 8.45 oz. |
Includes | 1 in. stainless steel springs, hooks |
Standard Taper Joint Bottom | 19/22 |
Standard Taper Joint Top | 24/40 |
Height (English) | 8.66 in. |
Height (Metric) | 22 cm |
Product Content Correction
Your input is important to us. Please complete this form to provide feedback related to the content on this product.
Product Title
Spot an opportunity for improvement?Share a Content Correction