Customer reviews from Filterbuy
Filterbuy - 9x30x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (12-Pack) - Blue
Average customer rating
4.6
(3,442 Reviews)
Rating breakdown 3,442 reviews
5 Stars
2,730
4 Stars
306
3 Stars
187
2 Stars
73
1 Star
146
Customer Reviews for Filterbuy - 9x30x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (12-Pack) - Blue
Customer Rating
5
Filters
on July 19, 2026
Posted by: Customer
Filter Buy made it easy for me to find the correct size filters and choose the number I wish to purchase at an awesome price! I received my package within days. Thank you so much.
Written by a customer while visiting Filterbuy
Customer Rating
5
Breath easy
on July 18, 2026
Posted by: Customer
These filters are great. Now if I can get the cat to stop pulling out his hair. . . Life would be beautiful.
Written by a customer while visiting Filterbuy
Customer Rating
5
on Demand
on July 17, 2026
Posted by: Customer
Quick service. As always, the perfect filters I need. . .
Written by a customer while visiting Filterbuy
Customer Rating
3
Missed it by that much
on July 13, 2026
Posted by: Customer
The filter quality is fine, but my opening is apparently the full 20x24 and my filters didn't quite cover the opening.
Written by a customer while visiting Filterbuy
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