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Frigidaire FRS123LW11 Air Filter
It is advised that the air filter is swapped out four times a year to maintain the best air quality in the home. Air Filters are available in many varieties and specific sizes, which all depends on your personal choice for how clean you want the air and air handler size requirements. The height, length and width of the filter is not really a choice of options because it is based on the declared size of your furnace or handler.
Clues to watch for to know the dust filter has little life left
- When you hold it up, the light is unable to breach the other side of a dirt-packed filter
- Professionals have suggested to replace the filter every 90 days in order to have clean air in the home
- The main filter looks very bad and must be replaced now
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