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Frigidaire FRA123BU112 Filter
The unit filter is there for filtering tiny dust fragments and other small elements as it is being forced through the system. This simple filter can keep the unit dust-free and make it work way more efficiently while cleaning the air breathe in and out everyday. During regular maintenance the air filter must be simply replaced or perhaps cleaned thoroughly at least twice a year if not more, in order to keep things clean.
Hints to an under performing dust filter
- If you place a light source behind it, the light will not shine through to the other side of a very dirty air filter
- The main air filter appears dirty and stuffed with dirt completely
- Manufacturers have recommended to switch out the air filter in your unit every season of the year for clean air inside the house
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