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Haier CPN14XC9 Air Filter
Air Filters exist in many different varieties and specific sizes, in which the one you choose will depend on your air quality needs and air handler requirements. Measurements of the main system air filter choice you make due to the constraint of the availability of room of your furnace or handler. It is recommended that the air filter is exchanged for a new one every 3 months so as to maintain good airflow throughout the home.
Some warnings of an ineffective dust filter
- The main filter looks brown and maybe should be replaced right away
- Manufacturers have recommended to replace the filter about every 90 days to keep the air inside clean and free of harmful dust
- With a light behind the air filter, the light will not infiltrate to the opposite side of the filter
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