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International Comfort Products PGMD30G0608 Air Filter
The main filter can filter out some allergens and other particles from the air handler as well as the home. The actual size of the filter is not really a choice that needs to be made but rather a requirement of the manufacturer of your system. It is suggested the your furnace filter is changed every 90 days or so for optimal air quality throughout the home.
Important signs your main filter will have to be replaced
- The system filter looks gross and it would be a good idea to replace it as soon as humanly possible
- As you face it toward a light source, it cannot shine through to the other side of a dirty filter
- Many pros have advised to replace the filter every season of the year in order to keep the air free from too much dust
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