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Furnace Air Filter 18X18X1
This part 18X18X1 is compatible with:
- Product Type:
- Furnace
- Brands:
- Frigidaire, Maytag, Gibson, Kelvinator, Tappan, White-Westinghouse, Nordyne, Garrison, Intertherm, Mammoth, Medallion, Philco, GrandAire, Miller
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Air Filter Customer Reviews
Common Problems Fixed by the Air Filter
Based on customer reports and repair data, this part commonly fixes these issues:
About the Air Filter
The air filter is a critical part of heating and cooling the home. Not only does it filter the circulated air, it also helps keep the air ducts and the furnace coil from clogging up. Over time as the air filter collects dust and debris, it can start to produce strange whistling or low humming noises. Check and replace the air filter at least twice a year, more often in dusty/dirty environments or if there is a pet in the home.
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