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Carrier 38HDC036 Air Filter
The main filter should filter dust and other particles from the furnace. It is suggested the your furnace filter is exchanged for a new one every 3 months due to the filter clogging up and restricting the flow of air in the home. The height, length and width of the filter is not really a choice you make due to the requirement of your system.
Hints your Carrier air filter has to be replaced
- If you hold it up to the light, it will hardly shine through to the other side of the filter
- It is greatly suggested to switch out the air filter in your unit every three months to keep the house clean and less dusty
- The main filter looks dirty and the best thing to do would be to replace it real soon
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