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Nordyne FG7TK Air Filter
The main filter should filter dust and other fine particles from the air handler as well as the home. It is highly recommended that the filter is replaced for a clean one four times a year to maintain the best air quality in the home. The actual dimensions of the main system air filter personal choice due to the requirement of your air handler.
Subtle hints the dust filter needs to be replaced
- If you lift the air filter up to a source of bright light, the light will almost not shine through the dirt filled filter
- It looks like it is filled with dust and should be replaced as soon as you can
- Manufacturers have advised to switch out the air filter in your unit four times a year to help prevent mold and bacteria build-up
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