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Mitsubishi MSY-A15NA Air Filter
It is highly recommended that the filter is changed four times a year to maintain the best air quality through the ducts. Filters exist in many different types and sizes, which all depends on your personal demands for clean air and air handler size requirements. The measurement proportions of the air filter can not be a choice you make due to the constraint of the availability of room of your air handler.
Major indications the air filter is on its last leg
- The filter looks brown and the best thing to do would be to replace it ASAP
- Sunlight will almost not penetrate through a completely clogged filter
- It is greatly advised to replace the filter every season of the year to help keep the air fresh and make the unit run more efficient
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