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Lennox HPXB15-030 Air Filter
It is advised that the air filter is swapped out four times a year for optimal air quality through the ducts. Air Filters exist in many different types and sizes, which depends on your particular demands for clean air and the specific size of filter you need for your system. Measurements of the HVAC air filter choice you make due to the requirement of your HVAC blower system.
Clues of a poorly performing main filter
- Sunlight does not penetrate through the filter at all
- It is highly advised to swap out your air filter every 90 days to help purify the air indoors
- The filter looks bad and replacing it would be best as soon as humanly possible
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