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
(3,948 Reviews)
Rating breakdown 3,948 reviews
5 Stars
3,134
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
4
Border could be stiffer so
on August 29, 2026
Posted by: Customer
Border could be stiffer so it does not flex so much
Written by a customer while visiting Filterbuy
Customer Rating
5
I was very impressed with
on August 29, 2026
Posted by: Customer
I was very impressed with the quality of the filters. And the size was a perfect fit. I will definitely buy these again I got in like 3 days.
Written by a customer while visiting Filterbuy
Customer Rating
5
Filters seem to work fine
on August 27, 2026
Posted by: Customer
Filters seem to work fine have to change more often tho when furnance is used but it’s ok I still like the product.
Written by a customer while visiting Filterbuy
Customer Rating
5
LESS DUST
on August 27, 2026
Posted by: Customer
Changed to the merv 11 and saw a major decrease in dust in the house, highly recommend these filters.
Written by a customer while visiting Filterbuy
Customer Rating
5
Air filters
on August 26, 2026
Posted by: Customer
2nd purchasing these filters and all I can say is they do the job. Nice fit and rigidity for ultimate filtration
Written by a customer while visiting Filterbuy
Customer Rating
4
They seem to be of
on August 25, 2026
Posted by: Customer
They seem to be of reasonably good construction. I'll know more in 60 days.
Written by a customer while visiting Filterbuy
Customer Rating
5
Good decision
on August 24, 2026
Posted by: Customer
Works great, convenient, and no worries for a while. All is good!
Written by a customer while visiting Filterbuy
Customer Rating
5
Filterbuy Filters
on August 24, 2026
Posted by: Customer
I have used these filters for a number of years for my HVAC system. I'm pleased with this product's efficiency. Will reorder when necessary.
Written by a customer while visiting Filterbuy