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Mitsubishi MSZ-09UN Air Filter
Filters come in many varieties and specific sizes, in which the one you choose will depend on your choice for how clean you want the air and air handler size requirements. Professionals in the industry advise that the filter is replaced for a clean one every 3 months because the filter can get clogged and may result in poor air flow inside the house. The actual size of the filter is not a personal choice because of the constraint of the manufacturer of your system.
Hints of an ailing main filter
- It is greatly advised to swap out your air filter every three months to help prevent bacteria from spreading too much
- The system filter looks brown and must be replaced soon
- As you face it toward a light source, it is unable to show through a dirty filter
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