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
Don't Know Yet
on August 8, 2025
Posted by: Anonymous
I can't say yet because I have not used it. It is the next to go in, so I will have to wait a while before I can give an honest review.
Written by a customer while visiting Filterbuy
Customer Rating
2
Don't l really ike the
on August 8, 2025
Posted by: Anonymous
Don't l really ike the way they're made , looks like 2 filters were put together to make 1 , my original filter is not made that way.
Written by a customer while visiting Filterbuy
Customer Rating
4
First off, I made a
on August 8, 2025
Posted by: Anonymous
First off, I made a mistake in my order. I need 1/2 inch thick. That being said, I like the filters and think they are good. I was able to fit the filter in - in spite of my mistake,
Written by a customer while visiting Filterbuy
Customer Rating
5
Just installed the filter but
on August 7, 2025
Posted by: Mitchell Z.
Just installed the filter but so far its working great. And the price is fair
Written by a customer while visiting Filterbuy
Customer Rating
5
First Change to this form
on August 6, 2025
Posted by: Anonymous
First Change to this form of filtration. Fit is good. . . too early to grade effectiveness. . .
Written by a customer while visiting Filterbuy
Customer Rating
4
Decent filter s about the
on August 6, 2025
Posted by: Anonymous
Decent filter s about the same price as the big store s
Written by a customer while visiting Filterbuy
Customer Rating
5
Great Filters
on August 5, 2025
Posted by: Anonymous
Great filters. They fit perfectly and having them delivered is very helpful in remembering to keep them changed.
Written by a customer while visiting Filterbuy
Customer Rating
5
Excellent filter
on August 5, 2025
Posted by: Frances C.
I have a relatively new system and I realize the importance of a great filter. These FilterBuy filters are so easy to order and remind me when it is time. I could not believe how much dust was on my used one. Excellent filter!
Written by a customer while visiting Filterbuy