How to select a qualified, highly efficient and safe cooking fume purifier has become a concern for users. AirQuality is dedicated to electrostatic purification for 20 years and we summarize the following suggestions:
Test method of efficiency
The oil droplet of cooking fume is close to the liquid drop measured by DOP, so the DOP measuring method is more precise.
  • Arrestance
  • Particle Efficiency
  • Doppler Method (DOP)





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