It can be embedded into the existing central air-conditioning and fresh air inlet, purifies indoor air through circulation of existing equipment’s. It adsorbs, converts, and completely removes harmful gases such as Nox, Sox, formaldehyde, odor, VOC, Pollen and ozone in the air. No ozone sterilization, improve air quality comprehensively. This series of products are bespoken, so we manufacture upon the specification of the clients. Catalyst will also be tailored to the clients need.