Customer reviews from Filterbuy
Filterbuy - 13x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold
Average customer rating
4.4
(7,007 Reviews)
Rating breakdown 7,007 reviews
5 Stars
5,174
4 Stars
754
3 Stars
439
2 Stars
245
1 Star
395
Customer Reviews for Filterbuy - 13x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold
Customer Rating
5
Please do not send anymore
on March 20, 2026
Posted by: Anonymous
Please do not send anymore for the time being. I have enough for this year. Thank you for your consideration in this matter. Excellent service
Written by a customer while visiting Filterbuy
Customer Rating
5
So far so good. I
on March 20, 2026
Posted by: Anonymous
So far so good. I looks like the quality is as good as the more expensive brands.
Written by a customer while visiting Filterbuy
Customer Rating
5
Fantastic
on March 19, 2026
Posted by: Anonymous
These filters are great and very reasonable price. Love these filters
Written by a customer while visiting Filterbuy
Customer Rating
5
Satisfied
on March 18, 2026
Posted by: Anonymous
I'm satisfied with my purchase. Wish I could have spoken to someone about the dimensions of the filters, but its ok. These work
Written by a customer while visiting Filterbuy
Customer Rating
5
I purchased these prior to
on March 18, 2026
Posted by: Anonymous
I purchased these prior to needing them but the price looks good and they look sturdy. I tend to change my filters every two months even though I have no pets but I do have allergies. If they hold up--I intend to put two of them in at the end of the month--I may get them on auto-renewal.
Written by a customer while visiting Filterbuy
Customer Rating
5
Says Merv 11 last 3
on March 18, 2026
Posted by: Anonymous
Says Merv 11 last 3 months, mine barely get 2. I have 2 dogs, 1 indoor/ outdoor cat, cook a lot (near the return) and live on a dirt road, so maybe my situation isn't the "norm"??
Written by a customer while visiting Filterbuy
Customer Rating
5
Perfect fit
on March 18, 2026
Posted by: Anonymous
I have tried other companies that said they could make any size This was untrue. This company however had the correct filter in the correct size and shipped quickly.
Written by a customer while visiting Filterbuy
Customer Rating
1
Not the right size and
on March 18, 2026
Posted by: Anonymous
Not the right size and not on the auto. Renewal plan
Written by a customer while visiting Filterbuy