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LG LMN090CE Air Filter
It is highly recommended that the filter that filters out particles from your home is changed four times a year to maintain the best air quality through the ducts. Filters come in many filtering types depending on your air quality needs and air handler size requirements. Measurements of the whole house filter optional choice due to the requirement of the manufacturer of your system.
Symptoms to watch for in a failing primary air filter
- The main filter looks brown and probably should be replaced before tomorrow
- When you hold it up, the light is unable to show through a very dirty air filter
- Many pros have recommended to replace the filter every three months to keep the air inside clean and free of harmful dust
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