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Haier HPR09XC7 Air Filter
It is highly recommended that the air filter is changed every 90 days or so for optimal air quality through the ducts. The furnace filter can filter out dust and other particles from the air handler as well as the home. The actual dimensions of the filter is not a optional choice due to the constraint of the availability of room of your system.
What warnings are present when my dust filter is not working right?
- Many pros have suggested to switch out the air filter in your unit every 90 days to help clean the indoor air
- The filter looks brown and it would be best to replace it now
- When you hold the filter up to the light, it will not shine through to the other side of a dirty filter
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