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: 75 mm × 300 mm Capacity: 1.84 L
Related Products
Ace Large Chromatography Column, I.D. × L 50 mm × 1,200 mm, Capacity 2.35 L, Ace Glass, Inc. (CAT#: STEM-L-3982-LC)