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
1
It was not 18 x
on August 23, 2026
Posted by: Customer
It was not 18 x 24 x1 It was 18 x 25 x1 they did not fit
Written by a customer while visiting Filterbuy
Customer Rating
5
Great filler with a Great Price
on August 22, 2026
Posted by: Customer
Filters are well constructed & You can see how well they capture dust & dirt when you change them. We change ours every 2 months.
Written by a customer while visiting Filterbuy
Customer Rating
3
The filter was slightly oversized.
on August 21, 2026
Posted by: Customer
The filter was slightly oversized. Did not fit well.
Written by a customer while visiting Filterbuy
Customer Rating
5
MADE IN THE USA
on August 20, 2026
Posted by: Customer
Very impressed with quality and Price.
Do recommend
Do recommend
Written by a customer while visiting Filterbuy
Customer Rating
5
Quality
on August 19, 2026
Posted by: Customer
I like that they are made in the USA and quality filter. This is my 2nd time reordering this type of filter. I buy in bulk and save money. Thank you for your Business.
Written by a customer while visiting Filterbuy
Customer Rating
4
It's an air filter, what
on August 18, 2026
Posted by: Customer
It's an air filter, what can I say? They serve a purpose, good quality filters. Service great!
Written by a customer while visiting Filterbuy
Customer Rating
5
Unsatisfied
on August 17, 2026
Posted by: Customer
Filters were to small and charged me for return. I think you are thieves.
Written by a customer while visiting Filterbuy
Customer Rating
2
These filters slap up and
on August 17, 2026
Posted by: Customer
These filters slap up and down in the vents each time the AC activate and turns off. Very annoying and hard to sleep. Measurea shot the size on your filters is approximately 1/16th small on width and length.
Written by a customer while visiting Filterbuy