Customer reviews from Filterbuy
Filterbuy - 21x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (3-Pack) - Gold
Average customer rating
4.6
(3,994 Reviews)
Rating breakdown 3,994 reviews
5 Stars
3,170
4 Stars
398
3 Stars
200
2 Stars
90
1 Star
136
Customer Reviews for Filterbuy - 21x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (3-Pack) - Gold
Customer Rating
5
Super happy. The filters just
on October 18, 2026
Posted by: Customer
Super happy. The filters just keep getting better!! Thanks
BBlevins
Lancaster Va
BBlevins
Lancaster Va
Written by a customer while visiting Filterbuy
Customer Rating
5
Good value for the money
on October 18, 2026
Posted by: Customer
The filters fit good and they were delivered on time.
Written by a customer while visiting Filterbuy
Customer Rating
5
Excellent filters
on October 17, 2026
Posted by: Customer
They really work well. And they are reasonably priced
Written by a customer while visiting Filterbuy
Customer Rating
5
Wrong size
on October 17, 2026
Posted by: Customer
Trying to return has been met with silence. Very frustrating. Purchasing and product satisfactory.
Written by a customer while visiting Filterbuy
Customer Rating
5
I have not used yet.
on October 16, 2026
Posted by: Customer
I have not used yet. I will start to use Jan 1, 2027.
Written by a customer while visiting Filterbuy
Customer Rating
5
Good quality
on October 15, 2026
Posted by: Customer
So far, it's been great having a quality filter in place
Written by a customer while visiting Filterbuy
Customer Rating
5
Durable. Seem well-built. Definitely better
on October 15, 2026
Posted by: Customer
Durable. Seem well-built. Definitely better than the off-the-shelf packs I had previously.
Written by a customer while visiting Filterbuy
Customer Rating
5
New Filters
on October 15, 2026
Posted by: Customer
Purchased 6, & just started with first one about two weeks ago. Checked it last night & appears to be doing the job.
Written by a customer while visiting Filterbuy