PYREX® 500 mL Kuderna-Danish Replacement Flask with Hooks
Corning Life SciencesThis 500 mL PYREX® replacement Kuderna-Danish flask has a 24/40 outer Standard Taper upper joint and 19/22 inner Standard Taper lower joint and includes a pair of 1 1/4 inch stainless steel springs and two sizes of Keck clamps.