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International Comfort Products PGF048L120F Air Filter
It is highly recommended the your furnace filter is swapped out every 3 months for optimal air quality in the home. The size of the whole house filter optional choice because of the constraint of your system. Air Filters exist in many different varieties and specific sizes, which depends on your particular air quality needs and air handler size requirements.
Easy warnings the dust filter probably needs to be replaced
- The air filter looks like it is filled with dust and it would be a good idea to replace it real soon
- It is greatly suggested to replace the filter every three months to keep the house clean and less dusty
- If you place a light source behind it, the light is unable to break through to the other side of a completely clogged filter
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