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Press Release, Global Concerns Nuclear-capable missiles over Hokkaido, yet more rhetoric from North Korea, heightened terrorist threat across Europe, unexplained chemical clouds over eastern England, has there ever been a better time to think about your security in the event of an unforeseen attack or accident? Surprisingly realistic in terms of price and practicality, Castellex NBC Air Series ventilation systems are designed for all eventualities and situations, providing clean filtered air for safe rooms, bunkers and enclosed units ranging in size from the smallest one-family fallout shelter to large scale bunkers capable of protecting large numbers of people over long periods of time. Whether industrial accident or deliberate act, whether chemical, nuclear or biological, Castellex CBRN air ventilation systems guarantee fully autonomous systems designed to provide that critical lifeline in worst vase scenario. With multiple fail-safes, powerful backup ba...