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International Comfort Products HAC042GKA4 Air Filter
It is suggested the your furnace filter is replaced for a clean one every 90 days or so to maintain the best air quality inside the house. The dimensions of the filter is not really a personal choice due to the requirement of your HVAC blower system. International Comfort Products HAC042GKA4 filters exist in many different filtering levels, depending on your desire for cleaner air and air handler requirements.
Subtle hints the air filter is failing
- With a light behind the air filter, the light does not break through to the other side of the air filter
- Manufacturers have suggested to switch out the air filter in your unit every 90 days to help clean the indoor air
- The system filter looks dusty and could be replaced soon
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