Hi Markus, BioRad has columns as well (prepacked and empty), which follow the establiched connector standard. So usable without the need of adapters. Cheers Christian Am 15.02.2017 um 16:57 schrieb Markus Seeliger: > Dear all, > we are happy users of all that GE offers around their FPLC system, but > I am getting a little tired of feeling monopolized. Are any of you > aware of either empty columns or prepacked columns (e.g. metal > affinity or ion exchange resins) from other companies? > Thanks for your advice > > Markus