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International Comfort Products HAC236GKA4 Air Filter
All air filters are made in lots of filtering levels, which all depends on your personal demands for clean air and air handler requirements. The actual size of the filter is not really a optional choice because of the constraint of the manufacturer of your system. It is recommended that the filter is replaced for a clean one every 90 days or so for optimal air quality inside the house.
What symptoms are present when the main filter is not doing its job?
- Professionals have recommended to replace the filter four times a year to help prevent bacteria from spreading too much
- The main filter looks dusty and probably should be replaced now
- If you place a light source behind it, the light cannot breach the other side of the filter
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