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
(7,979 Reviews)
Rating breakdown 7,979 reviews
5 Stars
6,412
4 Stars
704
3 Stars
346
2 Stars
211
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
Great product. Great business to work with.
on April 27, 2026
Posted by: Customer
Great product. Great business to work with. Filterbuy has made it easy and cost effective to maintain our HVAC filters.
Written by a customer while visiting Filterbuy
Customer Rating
5
I have a filter size
on April 27, 2026
Posted by: Customer
I have a filter size that I cannot find at a Big Box store. Filterbuy lets me customize filter sizes to fit my needs. They give you multiple types of filters to fit your needs. Shortly after ordering I received the new filters, very well packaged and ready for installation. They even send filter change reminders via email. The filters fit perfectly. and perform well.
Written by a customer while visiting Filterbuy
Customer Rating
5
They fit well. Are easy
on April 27, 2026
Posted by: Customer
They fit well. Are easy to order and came quickly.
Written by a customer while visiting Filterbuy
Customer Rating
5
Exactly right every time
on April 27, 2026
Posted by: Customer
This service is fantastic. I get the exact size I need every time right when I need them. It couldn't be easier or more affordable.
Written by a customer while visiting Filterbuy
Customer Rating
5
I like these filters. Been
on April 26, 2026
Posted by: Customer
I like these filters. Been buying them for approx 5 years.
Written by a customer while visiting Filterbuy
Customer Rating
5
Always satisfied
on April 26, 2026
Posted by: Customer
Been using Filterbuy for over 2 years now & couldn't be happier. Our 3 Australian Shepherds test the filter to the max each month but it never fails!
Written by a customer while visiting Filterbuy
Customer Rating
5
Exact size, here in 2 days.
on April 25, 2026
Posted by: Customer
Been using these for several years now. Comes in the exact size that you need and quickly. I have no complaints. .
Written by a customer while visiting Filterbuy
Customer Rating
5
We are pleased with the
on April 25, 2026
Posted by: Customer
We are pleased with the Filterbuy filters. We have been using them for about a year and we are pleased
Written by a customer while visiting Filterbuy