Civil Defense Filter Absorber (hereinafter referred to as the Filter Absorber) is a civil defense filter absorber, a core product of wartime ventilation systems. Mainly used in ventilation systems for toxic substances in civil defense projects.

Effectively filters toxic smoke, fog, bioaerosols, radioactive dust, and persistent air pollutants, rendering the air clean. Primarily installed in level II and III civil defense facilities for chemical protection.

Process air to remove chemical agents, biological agents, and radioactive dust using a free radical generator, fine filter, and decontamination filter, while destroying microorganisms trapped in the fine filter unit.

Prevent the excessive proliferation or migration of biological agents by providing clean air within fortifications.