Protect Arts Co., Ltd. has successfully developed Japan's first dedicated ventilation system for shelters, the "AT Barrier 150," and began sales on April 1, 2025.

Developed in collaboration with Nagoya University, the system is equipped with high-performance filters that meet CBRNE standards (Chemical, Biological, Radiological, Nuclear, and Explosive threats), offering world-class safety and durability. A stable supply system has also been established through domestic manufacturing.

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