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Lennox CB30U-65 Air Filter
It is suggested that the filter is swapped out four times a year because the filter can get clogged and may result in poor air flow throughout the home. The measurement proportions of the air filter can not be a choice that needs to be made due to the constraint of the availability of room of your HVAC blower system. All air filters exist in many different types and sizes, depending on your demands for clean air and whether anyone suffers from allergies in the home.
Some warnings of a weak main filter
- The system air filter looks dirty and replacing it would be best soon
- With a light behind the air filter, the light will hardly penetrate through a completely clogged filter
- Manufacturers have recommended to switch out the air filter in your unit every season of the year to help purify the air indoors
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