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
Great buy for the money.
on July 13, 2025
Posted by: Anonymous
This is my second purchase of Filterbuy. The first were well made and did a great good job. This time the only difference is I decided to go up one notch in Merv rating and they look to be as well made.
Written by a customer while visiting Filterbuy
Customer Rating
5
These filters perfectly fit the
on July 12, 2025
Posted by: Dianne F.
These filters perfectly fit the filter slot in my system. Consequently, less particles come through the vents. Excellent job FilterBuy.
Written by a customer while visiting Filterbuy
Customer Rating
3
Quality is very good but
on July 12, 2025
Posted by: gabriel R.
Quality is very good but my 20x20 are a quarter inch too small all around.
Written by a customer while visiting Filterbuy
Customer Rating
4
Fit - one filter (14x24)
on July 11, 2025
Posted by: Anonymous
Fit - one filter (14x24) didn't fit and required some extra pressure
Written by a customer while visiting Filterbuy
Customer Rating
1
Didnt fit even though thats
on July 11, 2025
Posted by: Anonymous
Didnt fit even though thats the size filter I needed .
Written by a customer while visiting Filterbuy
Customer Rating
5
Refill on 2 units
on July 10, 2025
Posted by: Len M.
I had to call in to process the orders, worked out great!
Written by a customer while visiting Filterbuy
Customer Rating
5
Filters
on July 10, 2025
Posted by: Anonymous
I've been using this filer for a couple of years. I'm very satisfied with it.
Written by a customer while visiting Filterbuy
Customer Rating
5
Repeat order
on July 10, 2025
Posted by: Anonymous
My unit has an odd size filter requirement, so getting the customized filter very quickly is great. Quality appears fine as well.
Written by a customer while visiting Filterbuy