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Lennox OF24-105 Air Filter
It is recommended that the filter is changed every 90 days or so due to the filter clogging up and restricting the flow of air throughout the home. All air filters exist in many different filtering types which depends on your particular demands for clean air and the specific size of filter you need for your system. Exact measurements of the filter is not really a optional choice because of the constraint of your system.
What symptoms are present when the main filter is almost full?
- If you hold it up to the light, it does not show through a very dirty air filter
- It is highly recommended to replace the filter every 90 days to help prevent bacteria from spreading too much
- The air filter looks very bad and should be replaced real soon
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