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International Comfort Products NNE100F20G1 Air Filter
HVAC specialists suggest that the filter is changed four times a year for optimal air quality in the home. All air filters are made in lots of types and sizes, 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. The actual dimensions of the HVAC air filter choice you make because of the constraint of the manufacturer of your system.
Subtle hints the air filter is not going to last much longer
- If you lift the air filter up to a source of bright light, the light will barely breach the other side of a dirt-packed filter
- The filter looks very bad and replacing it would be best now
- Many pros have advised to replace the filter about every 90 days to help keep the air fresh and make the unit run more efficient
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