air filter.jpg
WEC Air Filtration Limited (WAF) is a Worldwide Envision Centre (WEC) subsidiary. Being part of WEC, the 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 the efficiency and effectiveness of air handling units.  

Nowadays, the general public has a big concern about environmental hygiene. At the critical moment of the epidemic, WAF introduces C-POLAR air filtration technology, a revolutionary invention that utilises a natural and biodegradable polymer with positive polarity to arrest and destroy 99.9% of bacteria and viruses effectively.  By applying this patented technology to the air filtration system, we can effectively prohibit bacteria and viruses from entering indoor spaces and ventilation air stream, tremendously enhancing the overall indoor air quality.  

WAF is the sole distributor of C-POLAR air filtration technology in Hong Kong. We aim to deploy this latest invention to all indoor ventilation systems and bring fresh air to the city.

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