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Lennox G40DF-48C-090 Air Filter
Lennox G40DF-48C-090 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 whether anyone suffers from allergies in the home. Exact measurements of the filter is not really a personal choice because of the constraint of your system. It is advised that the filter is swapped out four times a year due to the filter clogging up and restricting the flow of air through the ducts.
Important clues of a poor dust filter
- Light does not shine through a dirty filter
- It is greatly advised to replace the filter about every 90 days to keep the unit running efficiently
- The unit air filter looks like it is filled with dust and it would be a good idea to replace it real soon
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Before buying or purchasing do your best and cross-check the correct model as well as make a visual inspection in order to be sure the right air filter is the one being purchased. There is no need to replace the part all by yourself. Look for a professional in your community to hire and install the part for you.
Feel free to download your manual for help.
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