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Lennox G26Q3-75 Air Filter
All air filters are available in many varieties and specific sizes, in which the one you choose will depend on your choice for how clean you want the air and air handler requirements. The height, length and width of the filter is not really a choice you make because it is based on the declared size of your system. Professionals in the industry advise that the filter gets replaced every 90 days or so because the filter can get clogged and may result in poor air flow in the home.
Major clues the primary air filter is not going to last much longer
- It is greatly recommended to replace your air filter every three months in order to have cleaner breathable air inside
- If you place a light source behind it, the light will hardly show on the other side a clogged air filter
- The main filter looks brown and replacing it would be best soon
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