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WEC Air Filtration Limited (WAF) is a subsidiary of Worldwide Envision Centre (WEC), a property management total solutions provider.

WAF is dedicated to enhancing indoor air quality in modern cities. By gathering the latest technology and industry experience, we provide solutions to enhance indoor air quality while strengthening the efficiency and effectiveness of air handling units, fan coil units and other air technology distribution equipment such as air purifiers.

WAF is the sole distributor of C-POLAR™ air filtration technology in Hong Kong and Macau. We aim to deploy this revolutionary technology to all indoor air treatment distribution systems, creating infection-resilient environments and safeguarding the health and safety of indoor occupants.

The technology’s efficacy and safety have been tested and verified by leading medical and regulatory institutions in the United States, Czech Republic, Hong Kong, Finland, and United Kingdom.


WAF has installed C-POLAR air filters in over 140 buildings, including:

  • AsiaWorld Expo

  • Bank of America Tower

  • Hong Kong Convention and Exhibition Centre

  • Hong Kong Baptist Hospital

  • Hong Kong Red Cross Headquarters

  • Hong Kong Science Park

  • International Commerce Centre

  • M+, West Kowloon Cultural District

  • Xiqu Centre

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