Customer reviews from Filterbuy
Filterbuy - 20x21x1 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 - 20x21x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Customer Rating
5
Worth every penny
on April 12, 2026
Posted by: Customer
I used these in Fort Worth and moved to El Paso where is super windy and dusty. . I have no allergies. .
Written by a customer while visiting Filterbuy
Customer Rating
5
MERV air filter
on April 12, 2026
Posted by: Customer
Great filters for a home with multiple pets. Excellent price.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great Product
on April 12, 2026
Posted by: Customer
The filters fit perfectly and work great. I have noticed less dust in my house. Will definitely continue buying them.
Written by a customer while visiting Filterbuy
Customer Rating
4
My only issue is the
on April 11, 2026
Posted by: Customer
My only issue is the filter frame should be sturdier
Written by a customer while visiting Filterbuy
Customer Rating
3
Generally ok quality but manufacturing quality control is questionable.
on April 11, 2026
Posted by: Customer
The filters were generally ok but the pleated filter lining did not reach the edge of the cardboard frame leaving gaps along the side of the filter. Not sure this meets my needs or the quality I was expecting from this company.
Written by a customer while visiting Filterbuy
Customer Rating
5
My Only A/C Filters
on April 10, 2026
Posted by: Customer
Have been using these filters for years. They are sturdy and work well. And, the price is good too.
Written by a customer while visiting Filterbuy
Customer Rating
5
very high quality and a
on April 10, 2026
Posted by: Customer
very high quality and a good fit. I have used the for years
Written by a customer while visiting Filterbuy
Customer Rating
5
I have been a customer
on April 10, 2026
Posted by: Customer
I have been a customer for years and they are always accurate and fast with deliveries.
Written by a customer while visiting Filterbuy