The Micronic Modular Vertical Freezer Rack provides a storage solution for samples into a chest freezer. Simply click the individual rack holders together to a tower of up to 15 holders. This way your valuable samples can be stored in an organized manner. One rack holder has a capacity of a single Roborack-96, Comorack-96 or any of the ULT Racks. When using the Loborack-96 with a low cover / Micronic 96-1 Rack, one rack holder fits two Loboracks, providing a space saving storage solution.