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Friedrich MW09C1H Air Filter
It is recommended that the filter that filters out particles from your home is exchanged for a new one every 3 months so as to maintain good airflow through the ducts. All air filters are made in lots of filtering types which all depends on your personal air quality needs and air handler size requirements. The height, length and width of the air filter can not be a choice you make due to the requirement of your furnace or handler.
Key indicators that my Friedrich air filter is almost full?
- When you hold the filter up to the light, it will hardly show on the other side a completely clogged filter
- Manufacturers have suggested to switch out the air filter in your unit every 90 days to help prevent bacteria from spreading too much
- The system air filter looks gross and maybe should be replaced right now
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