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Lennox XP19-030 Air Filter
Filters exist in many different varieties and specific sizes, which all depends on your personal air quality needs and air handler requirements. It is highly recommended the your furnace filter is swapped out four times a year for optimal air quality throughout the home. The dimensions of the filter is not a optional choice but rather a requirement of your HVAC blower system.
Major indications of a faulty filter
- The main filter looks bad and should be replaced without delay
- Professionals have advised to replace your air filter four times a year in order to have cleaner breathable air inside
- With a light behind the air filter, the light does not break through to the other side of a completely clogged filter
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