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Lennox G40UH-60C-110X Air Filter
It is recommended that the filter that filters out particles from your home is replaced for a clean one every 3 months for optimal air quality through the ducts. Exact measurements of the main system air filter optional choice but rather a requirement of your furnace or handler. Filters for your Lennox G40UH-60C-110X exist in many different types and sizes, which all depends on your personal desire for cleaner air and air handler size requirements.
Important signs your main filter is failing
- Manufacturers have recommended to replace your air filter about every 90 days for to keep the air inside the house cleaner
- The filter looks dusty and must be replaced right now
- If you hold it up to the light, it will barely shine on the opposite side of the air filter
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