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International Comfort Products PGS030K080F Air Filter
The main filter can filter out contaminants and other particles from the air handler as well as the home. The height, length and width of the filter is not really a choice that needs to be made due to the requirement of whoever designed your heating and cooling system. HVAC specialists suggest that the filter is swapped out every 3 months because the filter can get clogged and may result in poor air flow through the ducts.
Major clues to watch for in a failing filter
- It is advised to replace the filter every three months to assist in keeping the indoor air clean and fresh
- Filter looks brown and congested badly
- If you place a light source behind it, the light will almost not shine on the opposite side of a dirty filter
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