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Friedrich VEA18K Air Filter
Air Filters exist in many different types and sizes, which depends on your particular desire for cleaner air and the specific size of filter you need for your system. Measurements of the whole house filter optional choice but rather a requirement of your HVAC blower system. It is highly recommended that the filter is replaced for a clean one every 90 days or so to maintain the best air quality in the home.
Important clues of an inadequate main filter
- The main filter looks very bad and probably should be replaced ASAP
- If you hold it up to the light, it will not permeate to the other side of a clogged air filter
- It is greatly advised to replace the filter about every 90 days in order to have clean air in the home
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