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Panasonic CU-2E18NBU Air Filter
Air Filters exist in many different varieties and specific sizes, depending on your air quality needs and air handler size requirements. The actual size of the filter is not a personal choice but rather a requirement of your furnace or handler. It is recommended that the air filter is swapped out every 90 days or so for optimal air quality inside the house.
Clues your filter is on its last leg
- When you face it toward a light, the light will barely shine through to the other side of the air filter
- Manufacturers have suggested to replace your air filter about every 90 days in order for the machine to run more efficient and to breathe easier inside
- The main filter looks gross and it would be best to replace it now
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