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Carrier 50XP036300 Air Filter
It is highly recommended that the air filter is swapped out every 3 months for optimal air quality through the ducts. The actual dimensions of the main system air filter choice you make due to the requirement of your system. All air filters are available in many varieties and specific sizes, which all depends on your personal choice for how clean you want the air and air handler size requirements.
Major indications your main filter will need to be replaced
- If you hold it up to the light, it cannot break through to the other side of the filter
- Manufacturers have suggested to switch out the air filter in your unit four times a year to help prevent bacteria from spreading too much
- It looks brown and it would be best to replace it right now
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