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Carrier FY4ANF018000 Air Filter
It is recommended the your furnace filter is changed four times a year for optimal air quality throughout the home. The measurement proportions of the air filter can not be a personal choice due to the requirement of your HVAC blower system. All air filters come in a wide array of filtering levels, which depends on your particular desire for cleaner air and whether anyone suffers from allergies in the home.
What warnings should I watch out for to know if my filter is almost bad?
- If you place a light source behind it, the light cannot permeate to the other side of the filter at all
- The main filter looks like it is filled with dust and the best thing to do would be to replace it right away
- Manufacturers have suggested to replace the filter about every three months to assist in keeping the indoor air clean and fresh
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