Technologies DFS vs. HEPA Electrostatic Precipitators HEPA Filtration Ozone Ultraviolet Light (UV) Articles Indoor Air Quality (IAQ) Clean Air Delivery Rate (CADR) Cubic Feet per Minute (CFM) Decibel Levels (dB) AdditionalResources US EPA Indoor Air Quality WA Dept. of Health IAQ The Indoor Air Quality Association (IAQA) WHO Indoor Air Pollution Decibel (db) Range Chart and How Our Models Line Up
