Last Updated: 2025-10-16 22:54:20
Manufacturer | - |
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Brand | Filtrete |
Item model number | 306-4 |
Color | White |
Weight | - |
Height | - |
Depth | - |
Product Id | 879410 |
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User Reviews and Ratings |
4.4
(112 ratings)
4.4 out of 5 stars
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UPC | 051141322780 |
# | Shop & Price | Reviews | User Ratings | Price |
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Filtrete 15x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
Reviews: 112
app.ratings:
(112)
Price:
$5.64
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Reviews: 112
(4.4)
|
My home uses return air filters 20x20 and 24x24. I've been buying 20x20 MPR 300 and 24x24 MPR300. After my last purchase of 24x24 pack I too thought the 'air direction arrow' was backwards by mistake; I called in and was advised that the arrow was indeed correct. I take issue with that, especially on the 24x24 with all the cardboard 'crisscrossing' in addition to the new 'plastic wire' net all on the intake side. That's a lot blockage of air flow. You shouldn't need the cardboard strips and crisscrossiing with the polypropylene net The 20x20 had much less reinforcement so the airflow is much better but the cardboard filter frame comes apart.
This is a low cost Merv 5 (out of 16) filter, I change it about every five weeks during our Colorado heating season. My theory for filter maintenance is to use low cost filters and change theme often. The furnace runs fine (moves plenty of air) with this filter and a 5 week change cycle seems to work well.
I shop every week at my Walmart Neighborhood grocery store. And they even have a section with every possible size and different levels of quality available at the same prices you would find at a Walmart Superstore! How can you beat that?
These are a hard to find size, but Walmart has always had them! Only kind that will fit the furnace.
the 1 inch size was a few millimeters bigger then stock filter for a new unit. took some work to get it and seated right.
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