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Lennox CB30U-41 Air Filter
It is recommended the your furnace filter is swapped out every 3 months because the filter can get clogged and may result in poor air flow in the home. The height, length and width of the filter is not really a choice you make but rather a requirement of the manufacturer of your system. All air filters are made in lots of filtering types which depends on your particular desire for cleaner air and whether anyone suffers from allergies in the home.
What warnings are present when my primary air filter needs replacing?
- With a light behind the air filter, the light cannot permeate to the other side of a dirty filter
- It is recommended to switch out the air filter in your unit every season of the year to keep the unit running efficiently
- The system air filter looks gray or brown and maybe should be replaced ASAP
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