Vertical vial box racks, also referred to as “half racks” may increase freezer capacity in some applications. More importantly it allows you to retrieve your valued specimens without exposing a “full size” vial rack of specimens to ambient temperatures. Our vertical racks are also lighter weight because of the superior grade of stainless steel we use. Our MaxSecure racks are often times half the weight competitive racks. ColdStash's MaxSecure Vertical racks offer the optimum of safety, security and ease of use. Our unique locking safety feature protects your specimens from ever falling out or being dislodged.