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Carrier 38YXA048 Air Filter
All air filters exist in many different varieties and specific sizes, which depends on your particular air quality needs and the specific size of filter you need for your system. The actual dimensions of the filter is not a personal choice because of the constraint of your furnace or handler. HVAC specialists suggest the your furnace filter is replaced for a clean one four times a year so as to maintain good airflow through the ducts.
General indicators that your the primary air filter probably needs to be replaced
- Light will almost not permeate to the other side of the dirt filled filter
- It looks like it is filled with dust and should be replaced immediately
- It is advised to replace the filter about every three months to help purify the air indoors
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