Patent ID: 7850258

Claim:
An inventory storage system, comprising: a frame defining a plurality of storage levels; a first exterior sleeve supported by one of the storage levels, the first exterior sleeve including a bottom wall, a first sidewall, a second sidewall, and a top wall; a first interior sleeve having an opening, the first interior sleeve disposed within the first exterior sleeve, the first interior sleeve abutting at least one of the bottom wall, the first sidewall, the second sidewall, and the top wall; a second interior sleeve disposed within the second exterior sleeve, the first interior sleeve abutting the first interior sleeve and at least one of the bottom wall, the first sidewall, the second sidewall, and the top wall; a second exterior sleeve supported by the one storage level, the second exterior sleeve being disposed on the one storage level to provide a fluid flow gap between the second exterior sleeve and the first exterior sleeve; and a spacer that is disposed between the first and second exterior sleeves to maintain the fluid flow gap between the second exterior sleeve and the first exterior sleeve, the spacer being attached to the frame wherein the fluid flow gap allows for fumes to dissipate, and water or other fire suppressants to access the inventory storage system in a large warehouse or manufacturing facility.