User Manual Q&AAnswer
Mar 06, 2025 - 01:48 AM
According to the instruction manual, the filters in the ETA Puris Smart Air Purifier need to be replaced at regular intervals. The HEPA filter (A3) needs to be replaced approximately every 6 months or after 3000 hours of operation. The carbon filter (A4) needs to be replaced approximately every 6 months or after 3500 hours of operation. The pre-filter (A5) needs to be cleaned or replaced approximately every 4 weeks of use. The filter replacement indicators (B13) on the control panel will light up when it is time to replace the filters. It is important to adjust the filter replacement frequency based on the usage conditions and the current state of the filters.
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