Last Updated: 2025-10-16 22:54:17
Manufacturer | - |
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Brand | Filtrete |
Item model number | 817-4 |
Color | White |
Weight | - |
Height | - |
Depth | - |
Product Id | 325330 |
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User Reviews and Ratings |
4.2
(261 ratings)
4.2 out of 5 stars
|
UPC | 051131975460 |
# | Shop & Price | Reviews | User Ratings | Price |
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Filtrete 18x18x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
Reviews: 261
app.ratings:
(261)
Price:
$11.88
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Reviews: 261
(4.2)
|
This filter is dangerous. After just a few weeks this filter suddenly plugs and blocks circulated air. Heat exchanger overheats and glows red. Safety shuts down furnace. This filter was even behind an old school spun prefilter which only blocks the larger dust balls, if any. This 3M filter was bowed out like schooner sail. Keep away from this one.
Purchased the Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10 and installed with ease. Filters fit tightly and seemed to be fine. Read some reviews about the filter bowing under airflow, having just put them in I looked to discover the reviews are correct. The middle of the filter is collapsing inward, not staying flat as the older filter I just replaced. I think I'll save myself some concern and purchase another type of filter, just can't leave this one in knowing it's collapsing.
Very good filter.
it fit perfectly
The best for allergies.
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