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LG ARUN160LT2 Air Filter
HVAC specialists suggest that the filter is replaced for a clean one four times a year to maintain the best air quality inside the house. The height, length and width of the filter is not really a choice of options because of the constraint of whoever designed your heating and cooling system. Filters come in many filtering levels, in which the one you choose will depend on your desire for cleaner air and air handler size requirements.
Major indications of a defective dust filter
- Many pros have suggested to replace the filter every 90 days to assist in keeping the indoor air clean and fresh
- It looks gray or brown and the best thing to do would be to replace it right now
- Sunlight is unable to shine on the opposite side of a very dirty air filter
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