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LG LP121HEM Air Filter
All air filters come in a wide array of varieties and specific sizes, in which the one you choose will depend on your demands for clean air and air handler size requirements. HVAC specialists suggest the your furnace filter gets replaced four times a year for optimal air quality throughout the home. Measurements of the filter is not really a optional choice due to the requirement of your furnace or handler.
Signs of a weakening dust filter
- It looks bad and maybe should be replaced immediately
- It is greatly recommended to replace your air filter about every 90 days to keep the air fresh for the family
- Light will barely show on the other side the filter
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