✔ The micro centrifuge tube freezer storage boxes are made of stable polypropylene material with a smooth and burr free edge, able to withstand both high and low temperatures, from -80 Degree Celsius to +121 Degree. 

✔ Each microtube storage box has 16-72 holes, can cater to your storage needs, suitable for different specifications of freezing tubes and centrifugal tubes. 

✔ Providing sufficient storage space for samples, ample to use and replace, you'll always have a backup ready, keeping your work operations smooth and unhindered. 

✔ Wide Applicability: our centrifuge tube freezer storage box is versatile and suitable for vertical freezers, as well as in most laboratory environments.