Gute Environmental Protection Return Air Inlet Electronic RemovalPM2.5The purification and disinfection device is mainly installed at the return air outlet of the fan coil unit (air conditioning duct) to solve the quality problem of indoor air through circulating air. Indoor air enters through the return air outlet under the action of the fan and is filtered through the return air outlet during electronic air purification and disinfectionPM10/PM2.5Waiting for dust particles and killing bacteria in the air to achieve a fresh indoor air effect.