The Ace Large Chromatography Column manufactured by Ace Glass comes with #50 internal Ace-Threds on ends which are compatible with various upper and lower adapters.
Specification
I.D. × L: 50 mm × 450 mm Capacity: 0.88 L
Related Products
Ace Large Chromatography Column, I.D. × L 75 mm × 600 mm, Capacity 2.65 L, Ace Glass, Inc. (CAT#: STEM-L-3979-LC)