Customer reviews from Filterbuy
Filterbuy - 20x20x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Gold
Average customer rating
4.4
(7,001 Reviews)
Rating breakdown 7,001 reviews
5 Stars
5,169
4 Stars
754
3 Stars
438
2 Stars
245
1 Star
395
Customer Reviews for Filterbuy - 20x20x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Gold
Customer Rating
5
Perfect fit
on March 18, 2026
Posted by: Anonymous
I have tried other companies that said they could make any size This was untrue. This company however had the correct filter in the correct size and shipped quickly.
Written by a customer while visiting Filterbuy
Customer Rating
1
Not the right size and
on March 18, 2026
Posted by: Anonymous
Not the right size and not on the auto. Renewal plan
Written by a customer while visiting Filterbuy
Customer Rating
5
Best ever
on March 17, 2026
Posted by: Anonymous
We have used these filters for several years now. They work very well, con trol dust and pollen better than most. They are a good price and delivery is fast. Can't ask for more than that.
Written by a customer while visiting Filterbuy
Customer Rating
5
Good Value, Decent Quality
on March 17, 2026
Posted by: Anonymous
For the price, I dont think you can beat these filters.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great quality filters
on March 17, 2026
Posted by: Anonymous
Great quality filters at a much better price than you can get at a retail store. Highly recommend.
Written by a customer while visiting Filterbuy
Customer Rating
5
As usual, I am extremely
on March 16, 2026
Posted by: Regina C.
As usual, I am extremely pleased with the service. My furnace and I thank you.
Written by a customer while visiting Filterbuy
Customer Rating
3
I have purchased this but
on March 16, 2026
Posted by: Anonymous
I have purchased this but have not yet installed it.
Written by a customer while visiting Filterbuy
Customer Rating
5
Good quality
on March 16, 2026
Posted by: Anonymous
Good quality filters that last us at least 2-3 months.
Written by a customer while visiting Filterbuy