Atmas Group Oy
NBC / CBRN, CO2 and CO Filters
Atmas offers a wide range of air filters for air filtration and ventilation systems designed for civil defense shelters, industrial facilities and other applications that comply with requirements of various international civil defense standards and can be modified to fit customer's special requirements. We provide various types of filters designed for a specific or a wide spectrum of purposes like filtering the air nuclear, biological and chemical (NBC) materials and particles, toxic industrial chemicals (TIC), carbon dioxide (CO2), carbon monoxide (CO), dust and more.
See Atmas Air Filtration Catalog
Our Selection of Special Filters for Ventilation & CBRN Filtration Systems
SOLUTIONS
AFU Series NBC / CBRN Filters (nominal airflow range 36-1800 m3h)
AFU NBC / CBRN filters are designed to comply with requirements of modern civil defence standards and norms like the SI 4570 (Israel), Ukrainian norms and other. These filters can be used in various ARC Type NBC / CBRN filtration systems or for retrofit / replacement of filters in ventilation and filtration systems to filter the air from chemical, biological, radiological, and nuclear materials.
Key Features:
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A wide range of filters for various airflows and CBRN filtration systems sizes: AFU 36, AFU 180, AFU 240, AFU 300, AFU 450, AFU 600, AFU 900, AFU 1200, AFU 1800 and other sizes.
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High-grade filtration for toxic industrial chemicals (TICs) and CBRN threats
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Long service life with low maintenance requirements
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Compatible with modern and legacy filtration systems
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Easy to install and replace in existing setups
Applications:
Ideal for military installations, emergency shelters, and critical infrastructure facilities where air purity is paramount.
Eastern Europe (Soviet) Type NBC / CBRN Filters (AFU RC 100 & AFU RC 300)
Improved design of filters used in old Eastern & Central Europe shelters for installation in standard filter assemblies / replacement of old filters. The connection type allows simple replacement and integration in existing systems.
Key Features:
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New and improved design
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Low pressure drop
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SI 4570 certified carbon and H14 HEPA filters
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Can be retrofitted / installed in existing systems
Applications:
Perfect for replacement of Soviet era shelters, industrial systems, military bunkers, and protected government facilities.
AFU CO Filters
High-efficiency CO filters / catalysators for civil defence shelters and special applications designed for advanced air purification in critical environments where high carbon monoxide levels can be present.
Key Features:
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Effective CO gas filtration with minimal airflow resistance
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Long operational lifespan with easy filter replacement
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Compatible with AFU air handling units
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Engineered for extreme operational conditions
Applications:
Ideal for emergency shelters, control centers, and safety-critical installations requiring reliable CO filtration.
AFU Type CO2 Filters
Improved design of filters used in old Eastern & Central Europe shelters for installation in standard filter assemblies / replacement of old filters. The connection type allows simple replacement and integration in existing systems.
Key Features:
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Absorbent based filters
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A wide selection of filters with large absorption capacity
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Can be retrofitted / installed in existing systems
Applications:
Perfect for replacement of Soviet era shelters, industrial systems, military bunkers, and protected government facilities.
