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Friedrich MW12C1H Air Filter
Filters for your Friedrich MW12C1H are available in many styles and sizings, which all depends on your personal choice for how clean you want the air and air handler requirements. The dimensions of the filter is not a optional choice because it is based on the declared size of the manufacturer of your system. It is suggested the your furnace filter is swapped out every 90 days or so because the filter can get clogged and may result in poor air flow throughout the home.
Warnings of a failing air filter
- If you place a light source behind it, the light is unable to shine through a clogged air filter
- Manufacturers have recommended to replace the filter every three months for clean air inside the house
- The air filter looks bad and perhaps should be replaced as soon as humanly possible
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