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International Comfort Products PGMD Air Filter
Air Filters exist in many different styles and sizings, which all depends on your personal desire for cleaner air and whether anyone suffers from allergies in the home. Measurements of the air filter can not be a personal choice due to the constraint of the availability of room of your air handler. It is highly recommended the your furnace filter is replaced for a clean one every 90 days or so because the filter can get clogged and may result in poor air flow through the ducts.
Indications to watch for in a failing primary air filter
- Manufacturers have suggested to switch out the air filter in your unit about every 90 days to assist in keeping the indoor air clean and fresh
- If you place a light source behind it, the light cannot shine through to the other side of a completely clogged filter
- The main filter looks gray or brown and probably should be replaced now
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