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Carrier 48XZ030040300 Air Filter
All air filters come in a wide array of types and sizes, which depends on your particular demands for clean air and whether anyone suffers from allergies in the home. The height, length and width of the whole house filter choice you make because it is based on the declared size of your furnace or handler. It is recommended that the air filter is changed every 3 months due to the filter clogging up and restricting the flow of air throughout the home.
Some warnings to watch for in a failing main filter
- Professionals have recommended to replace your air filter every 90 days so as to have cleaner breathable air
- If you place a light source behind it, the light is unable to shine through to the other side of the filter
- The main filter looks brown and it would be a good idea to replace it soon
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