Customer reviews from Filterbuy
Filterbuy - 21x21.5x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (12-Pack) - Silver
Average customer rating
4.7
(5,916 Reviews)
Rating breakdown 5,916 reviews
5 Stars
4,909
4 Stars
499
3 Stars
213
2 Stars
113
1 Star
182
Customer Reviews for Filterbuy - 21x21.5x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (12-Pack) - Silver
Customer Rating
5
Filters in a flash
on February 22, 2025
Posted by: Anonymous
I had inadvertently used my last filter the month before. Reordering with filter by was quick, easy and cost saving. I plan on being a customer for many years.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great experience
on February 22, 2025
Posted by: Anonymous
We are glad that you carry this odd size. I received the filters very quickly.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great Filter Product and Service
on February 21, 2025
Posted by: Anonymous
[This review was collected as part of a promotion.] Good Product, reasonable price, quick service, and free freight; what more could I ask?
Written by a customer while visiting Filterbuy
Customer Rating
5
Love the convenience of ordering
on February 21, 2025
Posted by: Anonymous
Love the convenience of ordering my filters and the quick time of receiving them.
Written by a customer while visiting Filterbuy
Customer Rating
5
Super Happy!
on February 21, 2025
Posted by: Anonymous
These filters were a great price, seem to be made well and are the MERV recommended by our furnace professional.
Written by a customer while visiting Filterbuy
Customer Rating
5
Before I first ordered your
on February 21, 2025
Posted by: Jerald J.
Before I first ordered your filters I had great difficulty finding the size I needed. Your filters were superior to any I have ever purchased. Now I use your filters for both of the sizes I need. They are simply better than the others.
Written by a customer while visiting Filterbuy
Customer Rating
5
Speed was what I expected,
on February 20, 2025
Posted by: Anonymous
Speed was what I expected, and clerk on phone was most polite.
Written by a customer while visiting Filterbuy
Customer Rating
2
Not true to size
on February 19, 2025
Posted by: Anonymous
The specific specs are different and doesn't fit properly in my air handler
Written by a customer while visiting Filterbuy