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International Comfort Products PGS048H120F Air Filter
All air filters exist in many different filtering types which depends on your particular air quality needs and the specific size of filter you need for your system. It is advised the your furnace filter is changed every 90 days or so for optimal air quality in the home. The dimensions of the filter is not really a choice of options due to the requirement of the manufacturer of your system.
Clues the primary air filter will need to be replaced
- Professionals have suggested to switch out the air filter in your unit every season of the year in order to have clean air in the home
- The main filter looks brown and perhaps should be replaced real soon
- As you face it toward a light source, it is unable to breach the other side of a dirty filter
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