Automatic Purge Valve - Keeps water and dust out while balancing air pressure Super-light proprietary HPX? Polymer Business card holder Pelican Air cases are the first in a series of remarkable innovations engineered by Pelican, the pioneers of protective cases. For over 40 years Pelican has designed and crafted the most influential protective cases in the world, and they&';re just getting started.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }