Customer reviews from 3m.com
Filtrete - Allergen Defense 20" x 25" x 1" Pleated Air Filter, MERV 11 (9803-4) - Red
Average customer rating
2 out of 5
2
(2 Reviews)
Open Ratings Snapshot
Rating breakdown 2 reviews
5 Stars
0
4 Stars
0
3 Stars
1
2 Stars
0
1 Star
1
0%of customers recommend this product. 
(
0 out of 1
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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
3 out of 5
3
Lousy Redesign
on September 25, 2021
Posted by: DVCM
I've used these for decades; however, the new design is flimsy and hard to get a tight seal when inserted. Also, the screening on the filter is not as good as the previous ones.
No, I would not recommend this to a friend.
Response from 3m.comBy CHIMCHIMSeptember 28, 2021
Thank you for taking the time to leave your review. We are sorry to hear of the trouble and would love to gather some additional details about your experience. Please connect with our team at 1-800-388-3458 M-F 8am-4:30pm CT and provide case number 27166915. Thank you.
Written by a customer while visiting 3m.com
Customer Rating
1 out of 5
1
Very disappointed
on July 30, 2023
Posted by: Big Butch
from Connecticut
[This review was collected as part of a promotion.] I brought this 3 week ago size 14x30x1 it does not fit it seems to a bit oversized.
Had to buy a different brand.
Response from 3m.comBy 3M3M Care TeamJuly 31, 2023
Hello, thank you for taking the time to leave your review. Your feedback is very important to us, and we will be sure to forward your comments. If you have any additional feedback or questions, please feel free to reach out to our team at 1-800-494-3552 Mo-Fri 8am-4:30pm CT.
Written by a customer while visiting 3m.com