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International Comfort Products NDN5050BFA1 Air Filter
The main filter may filter out some allergens and other particles from the air inside the house. The actual dimensions of the filter is not really a optional choice because of the constraint of your furnace or handler. It is advised that the filter gets replaced every 90 days or so because the filter can get clogged and may result in poor air flow throughout the home.
Major warnings your filter is failing
- If you lift the air filter up to a source of bright light, the light cannot breach the other side of a very dirty air filter
- The system filter looks gross and the best thing to do would be to replace it right away
- It is advised to replace the filter every three months in order for the machine to run more efficient and to breathe easier inside
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