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Nordyne E3EX-020H Air Filter
It is highly recommended that the air filter gets replaced every 3 months due to the filter clogging up and restricting the flow of air throughout the home. The actual size of the filter is not really a choice you make because it is based on the declared size of your system. All air filters are made in lots of types and sizes, depending on your choice for how clean you want the air and the specific size of filter you need for your system.
What are the clues to watch out for to know my main filter has to be replaced?
- Light will hardly infiltrate to the opposite side of a clogged air filter
- Many pros have recommended to switch out the air filter in your unit four times a year in order to have clean air running through the unit
- The system filter looks bad and probably should be replaced as soon as you can
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