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International Comfort Products GPCM18K040F Air Filter
It is recommended that the filter is replaced for a clean one every 3 months so as to maintain good airflow in the home. The dimensions of the filter is not a personal choice but rather a requirement of your air handler. All air filters are made in lots of filtering types depending on your demands for clean air and the specific size of filter you need for your system.
Major symptoms your main filter will need replacing
- It is highly recommended to replace the filter every season of the year so as to have cleaner breathable air
- The filter looks brown and probably should be replaced before tomorrow
- If you hold it up to the light, it is unable to infiltrate to the opposite side of a clogged air filter
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