Customer reviews from Filterbuy
Filterbuy - 20x20x4 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Silver
Average customer rating
4.6
(7,981 Reviews)
Rating breakdown 7,981 reviews
5 Stars
6,413
4 Stars
704
3 Stars
346
2 Stars
212
1 Star
306
Customer Reviews for Filterbuy - 20x20x4 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Silver
Customer Rating
5
Oops!
on March 29, 2026
Posted by: Customer
I ordered the wrong size. Needed 16x20x4. Already ordered the right size
Written by a customer while visiting Filterbuy
Customer Rating
5
As long as I keep
on March 29, 2026
Posted by: Customer
As long as I keep getting a great product, I will continue to order from Filter Buy
Written by a customer while visiting Filterbuy
Customer Rating
5
Great company
on March 29, 2026
Posted by: Customer
Awesome place to get your furnace filters, several different options and great prices, plus you can put them on auto order and forget about it!
Written by a customer while visiting Filterbuy
Customer Rating
5
Two of the sizes were
on March 29, 2026
Posted by: Customer
Two of the sizes were too big but I squeezed them in other than that I was happy I picked the right size but they were definitely bigger
Written by a customer while visiting Filterbuy
Customer Rating
5
Packaging was very good. No
on March 29, 2026
Posted by: Customer
Packaging was very good. No dents or wrinkles. I will buy again
Written by a customer while visiting Filterbuy
Customer Rating
5
Fits perfectly
on March 28, 2026
Posted by: Customer
This is my third purchase. Couldn’t find my air filter size anywhere else
Written by a customer while visiting Filterbuy
Customer Rating
1
Not 13” wide
on March 28, 2026
Posted by: Customer
The 13” filters I purchased are 13 1/2” wide and don’t fit. Waste of money
Written by a customer while visiting Filterbuy
Customer Rating
5
Always impressed and satisfied with
on March 28, 2026
Posted by: Customer
Always impressed and satisfied with this outstanding company
Written by a customer while visiting Filterbuy