Customer reviews from Filterbuy
Filterbuy - 21.5x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Average customer rating
4.6
(3,949 Reviews)
Rating breakdown 3,949 reviews
5 Stars
3,135
4 Stars
393
3 Stars
198
2 Stars
89
1 Star
134
Customer Reviews for Filterbuy - 21.5x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Customer Rating
5
Way to buy
on February 8, 2026
Posted by: Anonymous
Easy way to buy and replace your HVAC filters save money and time and support an a American company.
Written by a customer while visiting Filterbuy
Customer Rating
5
I have used them for
on February 7, 2026
Posted by: Anonymous
I have used them for a while. I saw them on line so I ordered them. Very pleased.
Written by a customer while visiting Filterbuy
Customer Rating
5
Merv 11
on February 6, 2026
Posted by: Anonymous
Merv11 is the way to go if you want a step up in air purification for your house , especially if you have any pets.
Written by a customer while visiting Filterbuy
Customer Rating
5
Better than the ones I
on January 7, 2026
Posted by: Anonymous
Better than the ones I was using. Much cheaper price. I will buy again .
Written by a customer while visiting Filterbuy
Customer Rating
5
Perfect fit
on October 10, 2025
Posted by: Anonymous
I was very impressed with the exact fitting of these filters. We have tried other filters that just didn't fit. Thankful to find these with the exact fit
Written by a customer while visiting Filterbuy
Customer Rating
5
Perfect fit for an unusual size
on October 6, 2025
Posted by: Melody D.
I was unable to find this small size anywhere else . They were promptly shipped and fit the opening perfectly !!!!
Written by a customer while visiting Filterbuy
Customer Rating
5
Great filters
on October 5, 2025
Posted by: Anonymous
I like my new filters, they fit a lot better than the box store ones. I will bye them again. .
Written by a customer while visiting Filterbuy
Customer Rating
5
Next
on September 30, 2025
Posted by: Anonymous
Just put it in tonight they fit perfectly and Im very happy
Written by a customer while visiting Filterbuy