Customer reviews from Filterbuy
Filterbuy - 9x30x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (1-Pack) - Blue
Average customer rating
4.6
(3,404 Reviews)
Rating breakdown 3,404 reviews
5 Stars
2,702
4 Stars
301
3 Stars
184
2 Stars
73
1 Star
144
Customer Reviews for Filterbuy - 9x30x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (1-Pack) - Blue
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
Customer Rating
4
Great Product, Poor Packaging!
on July 7, 2026
Posted by: Customer
Filters work well with my system and fit perfectly. Was very concerned, though, that they would make it in 1 piece. Product was not carefully packaged and almost didn't make it! See Pic.
Written by a customer while visiting Filterbuy
Customer Rating
5
Been buying this for several
on July 6, 2026
Posted by: Customer
Been buying this for several years now. It’s great not to have to go to the store and hunt for what you want.
Written by a customer while visiting Filterbuy