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Carrier 380B Air Filter
Air Filters are made in lots of types and sizes, in which the one you choose will depend on your demands for clean air and whether anyone suffers from allergies in the home. Professionals in the industry advise the your furnace filter is exchanged for a new one every 90 days or so because the filter can get clogged and may result in poor air flow in the home. The actual dimensions of the filter is not really a choice that needs to be made because it is based on the declared size of your furnace or handler.
Major signs of an unhealthy dust filter
- If you lift the air filter up to a source of bright light, the light will hardly breach the other side of the dirt filled filter
- The main filter looks like it is filled with dust and should be replaced soon
- Professionals have advised to switch out the air filter in your unit every season of the year to keep the air fresh for the family
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