Small universal stand for centrifuge tubes and microlitre tubes

Small universal stand for 50 ml and 15 ml centrifuge tubes (such as Falcon tubes) as well as 0.5 ml, 1.5 ml and 2 ml microlitre tubes (such as Eppendorf tubes).The footprint is kept as small as possible so that the stand does not take up so much space in the laminar flow cabinet without …