Sample stands combined (4-in-1) elongated shape, colourless

With four sides which can be equipped as required:Hole Ø 30 mm – 4 x 50 ml centrifuge tubes. Hole Ø 17 mm – 12 x 15 ml centrifuge tubes. Hole Ø 11 mm – 32 x 1.5/2 ml reaction vials. Hole Ø 8 mm – 32 x 0.5 ml reaction vials