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sigmapowertech .

Founded in 2016, Sigma Power Tech delivers IBMS, CBRN, automation, solar, and security solutions with 20+ years of professional industry experience.




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How CO2 Removal System Ensures Safe Air in Bunkers

  • 01 Dec 2025
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Picture this: You're hunkered down in your bunker with family or coworkers, doors sealed against smoke or worse outside. Hours turn to days, but the air stays fresh—no headaches, no drowsiness, just calm focus. That's the magic of a CO2 removal system at work, turning a potential trap into a true safe haven by scrubbing out the invisible threat we all exhale. The Hidden Danger:

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