Customer reviews from Filterbuy
Filterbuy - 20x23x4 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Silver
Average customer rating
4.2
(981 Reviews)
Rating breakdown 981 reviews
5 Stars
657
4 Stars
100
3 Stars
77
2 Stars
67
1 Star
80
Customer Reviews for Filterbuy - 20x23x4 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Silver
Customer Rating
5
Perfect
on September 23, 2025
Posted by: Anonymous
I could not find the filter size I needed until I found Filterbuy. . The one I bought was perfect.
Written by a customer while visiting Filterbuy
Customer Rating
5
Ac filter
on September 19, 2025
Posted by: Wendy C.
I like to keep one on hand for when my ac gets serviced. This makes it so easy and it is a quality product
Written by a customer while visiting Filterbuy
Customer Rating
5
New Customer
on September 19, 2025
Posted by: Anonymous
Easy to use web site. I put my first filter in. So we will see how it does.
Written by a customer while visiting Filterbuy
Customer Rating
5
Just recd them. Have not
on September 18, 2025
Posted by: Anonymous
Just recd them. Have not had long enough to review.
Written by a customer while visiting Filterbuy
Customer Rating
5
So convenient
on September 17, 2025
Posted by: Anonymous
Good quality. Very convenient having them delivered to my door. Not a fan of having to "subscribe", too get better prices. My HVAC only runs a couple months a year so this doesn't work for me.
Written by a customer while visiting Filterbuy
Customer Rating
3
Filter size
on September 15, 2025
Posted by: Anonymous
The filter was not completely 4 in, so I have a gap in my filter still. Not sure why you don't make them a full four inches. . .
Written by a customer while visiting Filterbuy
Customer Rating
5
Works great
on September 14, 2025
Posted by: Anonymous
Works perfectly for filtering the heat pump and forced air system
Written by a customer while visiting Filterbuy
Customer Rating
4
Narrow but acceptable
on September 13, 2025
Posted by: Joel R.
It is much narrower than other 4" filters, but it seems to do the trick.
Written by a customer while visiting Filterbuy