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International Comfort Products GPFM60H140E Air Filter
Filters exist in many different varieties and specific sizes, which depends on your particular air quality needs and the specific size of filter you need for your system. The measurement proportions of the filter is not really a choice that needs to be made due to the constraint of the availability of room of whoever designed your heating and cooling system. It is recommended that the air filter is exchanged for a new one every 90 days or so to maintain the best air quality inside the house.
What to see if the air filter is almost full?
- It looks like it is filled with dust and it would be best to replace it as soon as humanly possible
- It is suggested to swap out your air filter every 90 days to assist in keeping the indoor air clean and fresh
- If you place a light source behind it, the light does not show on the other side the dirt filled filter
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