Reax 20/12 overhead shaker for 12 bottles The speed can be adjusting 1 to 16 U / min individually and continuously -. And meets the requirements DIN38414 Part 4 Other speeds, eg 0.5 to 8 U / min or 2 to 32 U / min are available on request bottle for easy use by quick-clamping system and remove interoperating with mixing cylinders and wide neck bottles The Reax 20 models are also available for these to 160-290 mm in height and a diameter of max. 136 mm ideal