...simple instruments for mixing of various tube and vial sizes at up to 40 rpm.
...these robust instruments from Torrey Pines Scientific are designed for use over long periods. A total of seven different racks makes it possible to gently mix - to name just two examples - 50 x 0.5 ml and 48 x 1.5 ml tubes simultaneously or 14 each 12/13 mm and 15/15 mm test tubes.