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SPT WA-1220E Air Filter
All air filters are available in many filtering types which all depends on your personal air quality needs and air handler size requirements. It is recommended the your furnace filter is swapped out every 90 days or so to maintain the best air quality throughout the home. The actual size of the filter is not a personal choice due to the constraint of the availability of room of your system.
Hints your SPT air filter is on its last leg
- If you were to lift up the filter, the light is unable to break through to the other side of a very dirty air filter
- The air filter looks dirty and replacing it would be best ASAP
- Manufacturers have recommended to replace your air filter every season of the year for to keep the air inside the house cleaner
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