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
Excellent Company!
on March 5, 2026
Posted by: Anonymous
I can always count on FILTERBUY to deliver very prompt AC filters whenever I order them at a great price. I can highly recommend them. Their prices are also way better than their competitors.
Written by a customer while visiting Filterbuy
Customer Rating
5
These are perfect. . . . and affordable!
on March 5, 2026
Posted by: Anonymous
Like the title says, these air filters are working perfectly, plus they are more affordable than anywhere else. I'm so glad I found FilterBuy. They also ship super quickly.
Written by a customer while visiting Filterbuy
Customer Rating
5
The filters are fine. I
on March 4, 2026
Posted by: Anonymous
The filters are fine. I purchased one years worth. Ill be ordering more early next year.
Written by a customer while visiting Filterbuy
Customer Rating
5
I've been using these filters
on March 4, 2026
Posted by: Anonymous
I've been using these filters for years and they are great. They do the job and fit nicely.
Written by a customer while visiting Filterbuy
Customer Rating
5
Filters
on March 4, 2026
Posted by: Anonymous
Love that I have on hand and I change every month even though it does not look like I need too. Thank you
Written by a customer while visiting Filterbuy
Customer Rating
5
Great filters
on March 4, 2026
Posted by: Anonymous
Can't find these filters at any store. Grateful to have filterbuy
Written by a customer while visiting Filterbuy
Customer Rating
5
Merv 11 filters
on March 3, 2026
Posted by: Anonymous
Great filters ! I've noticed my allergies are improved
Written by a customer while visiting Filterbuy
Customer Rating
5
The filters are very well
on March 2, 2026
Posted by: Anonymous
The filters are very well made. Very pleased with them.
Written by a customer while visiting Filterbuy