Customer reviews from Filterbuy
Filterbuy - 15x20x4 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack) - Blue
Average customer rating
4.4
(5,900 Reviews)
Rating breakdown 5,900 reviews
5 Stars
4,402
4 Stars
555
3 Stars
405
2 Stars
201
1 Star
337
Customer Reviews for Filterbuy - 15x20x4 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack) - Blue
Customer Rating
5
Merv Filters
on March 2, 2026
Posted by: Anonymous
I have used Merv filters for several years now and have been very pleased with their performance. I will continue to order them in the future.
Written by a customer while visiting Filterbuy
Customer Rating
5
reduces dust
on March 2, 2026
Posted by: Anonymous
The Merv 13 makes a noticeable difference with dust and allergies. I change them every season and the automatic yearly renewal makes it easy.
Written by a customer while visiting Filterbuy
Customer Rating
5
New buyer
on March 2, 2026
Posted by: Anonymous
Appears to be a great filter. First time buyer. Will see how it works out over time.
Written by a customer while visiting Filterbuy
Customer Rating
5
High quality filters
on March 2, 2026
Posted by: Anonymous
High quality filters that are reasonably priced. They ship very quickly
Written by a customer while visiting Filterbuy
Customer Rating
5
Great for my Corsi-Rosenthal Boxes
on March 1, 2026
Posted by: Anonymous
Buying replacements for my Corsi-Rosenthal Boxes. Good value home air filters. I also buy my HVAC filter here. Would recommend this site to all my friends.
Written by a customer while visiting Filterbuy
Customer Rating
5
Haven't put them in yet
on February 28, 2026
Posted by: Anonymous
Haven't put them in yet because not due to change.
Written by a customer while visiting Filterbuy
Customer Rating
5
Just what I needed
on February 27, 2026
Posted by: Anonymous
They were just what I needed, and they came quickly at a reasonable price. We'll do again.
Written by a customer while visiting Filterbuy
Customer Rating
5
I love it
on February 27, 2026
Posted by: Anonymous
The filter fits perfectly fine. So far I dont see dust up in my room
Written by a customer while visiting Filterbuy