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Lennox HP13-024 Air Filter
It is suggested that the filter that filters out particles from your home is replaced for a clean one every 90 days or so for optimal air quality in the home. Measurements of the main system air filter choice of options because it is based on the declared size of the manufacturer of your system. Air Filters are made in lots of filtering types in which the one you choose will depend on your choice for how clean you want the air and the specific size of filter you need for your system.
Major warnings the primary air filter needs replacing ASAP
- The air filter looks gray or brown and probably should be replaced soon
- It is highly recommended to replace your air filter four times a year to help clean the indoor air
- When you hold the filter up to the light, it cannot breach the other side of a very dirty air filter
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