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Carrier FV4CNF003 Air Filter
It is highly recommended the your furnace filter is changed every 3 months due to the filter clogging up and restricting the flow of air inside the house. Exact measurements of the main system air filter choice you make because of the constraint of your furnace or handler. Filters for your Carrier FV4CNF003 come in many filtering levels, in which the one you choose will depend on your demands for clean air and the specific size of filter you need for your system.
Hints your filter will need replacing
- It is greatly recommended to replace your air filter about every three months to assist in keeping the indoor air clean and fresh
- The main filter looks like it is filled with dust and probably should be replaced now
- If you hold it up to the light, it cannot show on the other side the filter at all
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