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LG LMAN090CNS Air Filter
All air filters come in a wide array of styles and sizings, which all depends on your personal choice for how clean you want the air and air handler requirements. Exact measurements of the filter is not really a optional choice due to the constraint of the availability of room of your air handler. It is advised that the air filter gets replaced every 90 days or so for optimal air quality inside the house.
Signals of a failing primary air filter
- If you hold it up to the light, it will barely permeate to the other side of a dirty filter
- Many pros have recommended to switch out the air filter in your unit four times a year for clean air inside the house
- The system air filter looks gray or brown and must be replaced today
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