Customer reviews from Filterbuy
Filterbuy - 23.5x23.5x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack) - Blue
Average customer rating
4.6
(3,366 Reviews)
Rating breakdown 3,366 reviews
5 Stars
2,670
4 Stars
300
3 Stars
182
2 Stars
73
1 Star
141
Customer Reviews for Filterbuy - 23.5x23.5x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack) - Blue
Customer Rating
3
The filters I bought seem
on July 13, 2026
Posted by: Customer
The filters I bought seem smaller fit than the original 3M filters. I am now stuck with a few from you.
Written by a customer while visiting Filterbuy
Customer Rating
5
Awesome Filters. I've put them
on July 12, 2026
Posted by: Customer
Awesome Filters. I've put them in place to see how they will help with the filtering of the air in my home.
Written by a customer while visiting Filterbuy
Customer Rating
5
Looks good
on July 12, 2026
Posted by: Customer
Haven't need a new one yet.
I'm expecting the same quality as the expensive ones.
I'm expecting the same quality as the expensive ones.
Written by a customer while visiting Filterbuy
Customer Rating
1
Too tight for my ac,
on July 11, 2026
Posted by: Customer
Too tight for my ac, which I didn’t know. They give no indication that you have to chose based on the ac unit in the description in the product page. I now k ow you have to go and dig for the link where it’s discussed.
Written by a customer while visiting Filterbuy
Customer Rating
5
Furnace filter , merv 13
on July 10, 2026
Posted by: Customer
These filters are rated very high and are cost efficient when buying several at a time .
Written by a customer while visiting Filterbuy
Customer Rating
5
Merv 13 - The Best!
on July 9, 2026
Posted by: Customer
Excellent high quality Air filter. These work perfect for a 2700 sq. ft. home. They filter the air very well.
Written by a customer while visiting Filterbuy
Customer Rating
5
Merv 13Filters
on July 8, 2026
Posted by: Customer
Quality filters at a competitive price. Convenient order process in economic quantities allows one to keep a supply on hand.
Written by a customer while visiting Filterbuy
Customer Rating
4
Whistling
on July 7, 2026
Posted by: Customer
Just installed 4 16x25 filters. They are securely placed, but I’m hearing a low whistling which o did not hear with my previous filters. Help!
Written by a customer while visiting Filterbuy