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Carrier 48XZ048130300 Air Filter
The main filter filters out bad things in the air and other fine particles from the air handler. It is suggested that the filter is replaced for a clean one every 90 days or so due to the filter clogging up and restricting the flow of air inside the house. The actual size of the main system air filter choice you make because of the constraint of your system.
Important hints the primary air filter needs replacing
- If you lift the air filter up to a source of bright light, the light will barely shine on the opposite side of the filter at all
- It is greatly advised to switch out the air filter in your unit every 90 days for clean air inside the house
- The system filter looks gray or brown and probably should be replaced real soon
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