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Whynter ARC-12SDH Air Filter
It is highly recommended the your furnace filter is swapped out every 3 months to maintain the best air quality inside the house. The dimensions of the filter is not really a choice that needs to be made but rather a requirement of your air handler. Whynter ARC-12SDH filters exist in many different filtering levels, depending on your air quality needs and the specific size of filter you need for your system.
What happens when my air filter is not working properly?
- It is highly advised to replace the filter about every 90 days to keep the unit running efficiently
- The system air filter looks brown and perhaps should be replaced right away
- If you place a light source behind it, the light does not break through to the other side of a dirty filter
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