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Toshiba RAV-SP360CT-UL Air Filter
Air Filters are made in lots of varieties and specific sizes, depending on your choice for how clean you want the air and air handler requirements. Professionals in the industry advise the your furnace filter is swapped out every 90 days or so to maintain the best air quality through the ducts. The dimensions of the filter is not really a choice of options due to the requirement of your furnace or handler.
What to see if the primary air filter is almost bad?
- The unit air filter looks dusty and probably should be replaced soon
- Professionals have advised to replace the filter about every three months so as to have cleaner breathable air
- If you hold it up to the light, it will almost not break through to the other side of a very dirty air filter
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