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Goodman ATUF303016 Air Filter
The main filter filters out all the dust and other particles from the furnace. The size of the filter is not a choice of options because of the constraint of whoever designed your heating and cooling system. It is recommended that the filter is exchanged for a new one four times a year because the filter can get clogged and may result in poor air flow throughout the home.
Hints of a defective filter
- The main filter looks gray or brown and must be replaced now
- When you hold it up, the light will hardly penetrate through a clogged air filter
- Manufacturers have suggested to switch out the air filter in your unit every three months in order to have clean air running through the unit
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