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Your cart is empty.Opt for a Filtrete Allergen Defense Air Filter to transform your central heating and cooling system into a whole-home air filtration operation. This no-nonsense filter helps capture varying sizes of particles, from the large (lint, pollen, dust and pet dander) to the microscopic (smoke and smog).
Roberto Goderich
Reviewed in the United States on February 15, 2025
Great furnace and air conditioning filters
E.M.
Reviewed in the United States on January 8, 2025
Perfect fit. Great price!
Electronic Gadgetphile
Reviewed in the United States on January 7, 2025
Fit exactly right.
Debra Lungren
Reviewed in the United States on January 2, 2025
These come well packaged. I only use these filters for my furnace. They are the best!
Cheryl C
Reviewed in the United States on August 1, 2024
Perfect and I didn’t have to spend forever looking through the ones at the store for the right ones
Robert Vyse
Reviewed in the United States on October 15, 2024
I like these because they seem to work better than different brands. There is less dust in the house with these filters.
Customer
Reviewed in the United States on June 12, 2022
We moved into our current house 13 years ago which the AC/furnace had an electro-static filter. Difficult to take the filters out and spray them with a garden hose just before freezing weather and then had to wait for cool weather in the spring to spray again. Decided to try this filters and they are great. Easy to change, When dusting the floors, about the same amount of dust, but the dust is white, which I don't know the reason for that. On the box, it says could last up to a year, but I change them every 4 months. I love them, go down in my stand-up crawl space, switch it and done in 5 minutes. Also, I tried a couple of other brands, this Filtrete brand are the only filters that fit snug, others had too much space on top and ends and wobbled a lot.
Robert Lommel
Reviewed in the United States on December 10, 2021
Well manufactured product that fits tightly into the filter slot in the heat pump unit. Slightly expensive. That said, I purchased a less expensive filter and learned that the filter dimensions affect the air filtering process. Although the Filtrete filter dimensions are shown as 20x20x4, the actual measurements are about 1/8" larger ensuring a tight seal in the heat pump's filter slot. I have tried a less expensive filter with the same 20x20x4 dimensions, but these filters fit loosely in the heat pump filter slot since the actual dimensions were about 1/8" in smaller than advertised. The less expensive filters work, but not as well I felt.
Sparky Dog
Reviewed in Canada on July 12, 2019
Have you bought this at your local hardware store. It is nearly twice the price, and this is not a knock off brand.Good value.
Chris C
Reviewed in Canada on February 20, 2019
As advertised, has upheld great throughout its lifespan so far. Will be re-ordering when needing to be replaced, priced fantastically compared to local stores.
Amanda
Reviewed in Canada on August 25, 2018
Works fine
Demetri Elias
Reviewed in Canada on April 4, 2018
Excellent product. Would be nice to have each one covered in plastic film individually for storage when purchased in sets of more than one.
C Butler
Reviewed in Canada on April 15, 2018
Great filters.
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