Customer reviews from filtrete.com
Filtrete - Allergen Defense 20" x 25" x 1" Pleated Air Filter, MERV 11 (9803-4) - Red
Average customer rating
4.7 out of 5
4.7
(472 Reviews)
Open Ratings Snapshot
Rating breakdown 472 reviews
5 Stars
391
4 Stars
63
3 Stars
6
2 Stars
3
1 Star
9
96%of customers recommend this product. 
(
429 out of 446
)
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Customer Reviews for Filtrete - Allergen Defense 20" x 25" x 1" Pleated Air Filter, MERV 11 (9803-4) - Red
Customer Rating
5 out of 5
5
Very happy with the quality
on March 8, 2024
Posted by: Pete K
I've purchased these furnace filters for decades. They work great in my home.
Written by a customer while visiting filtrete.com
Customer Rating
3 out of 5
3
Longevity disappointments
on August 31, 2015
Posted by: majtnkr
from Thomasville, NC, United States
Gender:Male
Although I like & have to have this filter for my house HVAC system, I find that I am changing the filter every month NOT the 3 mos it is supposed to last. I did let one set go approx 45 days, but found the old filters collapsed into the vent due to the lack of air able to pass through. They do clean the air that passes thru, but definitely NOT for 3 months! I would seriously consider another filter if available, at least to have comparison...more to follow if I do find one/some.
No, I would not recommend this to a friend.
Written by a customer while visiting filtrete.com
Customer Rating
5 out of 5
5
Great filter
on July 4, 2017
Posted by: Mr Clean1
from MO, United States
Gender:Male
[This review was collected as part of a promotion.] Been using these filters for years, traps a lot more dust, dirt, and allergens then any other filter I've ever used
I would recommend this to a friend!
Written by a customer while visiting filtrete.com
Customer Rating
5 out of 5
5
Nice to know that more stuff getting filtered
on July 26, 2017
Posted by: bazookalew
from Geneseo, NY, United States
Gender:Female
[This review was collected as part of a promotion.] Pretty heavy duty. I am amazed at how well the filter is able to trap dust. Comparing to past filters it looks far more saturated in three months than other filters I have purchases. Worth the extra money I spent.
I would recommend this to a friend!
Written by a customer while visiting filtrete.com
Customer Rating
5 out of 5
5
Works for Dust, Allergens & Pet Dander
on September 15, 2017
Posted by: Jo Jo
from Port Isabel, TX, United States
Gender:Female
[This review was collected as part of a promotion.] I have been using Filtrete filters as long as I can remember. They are so dependable and work so well that I have to put a reminder on my calendar to change them!
I would recommend this to a friend!
Written by a customer while visiting filtrete.com
Customer Rating
5 out of 5
5
Filtrete is the best
on April 17, 2018
Posted by: KBB22
from Stoughton, MA
Gender:Male
[This review was collected as part of a promotion.] Have used Filtrete for 25 years and nothing is better at removing allergens, dust and other air infiltrates. Provides peace of mind and clean air all at once. Would not use anything else
I would recommend this to a friend!
Written by a customer while visiting filtrete.com
Customer Rating
5 out of 5
5
Controls Dust and Cat Hair
on August 7, 2018
Posted by: Diana27
from Summerfield, FL
Gender:Female
[This review was collected as part of a promotion.] Purchased item 3 months ago. Held down overall dust and cat hair throughout my home especially in my bedroom where it is somewhat extreme. Very happy with the performance of this product. Have various size filters through out my house and so far the Filtrete Dual-Action is the best at a fair price.
I would recommend this to a friend!
Written by a customer while visiting filtrete.com
Customer Rating
5 out of 5
5
I will not use anything else.
on February 14, 2019
Posted by: Christy
from North Carolina
Gender:Female
[This review was collected as part of a promotion.] This filter does everything it says it will do.
So much better than "regular" cheap filters that are thin and flimsy and allow particles to slide on through and around them.
I have tried using the "regular" filter because I had one on hand, it was so useless that I went ahead and changed to my Filtrete Allergen Defense 1200 filter before it was time for a change.
From now on for a clean home and for clean and healthy breathing, it will always, always be the Allergen 1200 filter.
I would recommend this to a friend!
Written by a customer while visiting filtrete.com
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