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
very high quality and a
on April 10, 2026
Posted by: Customer
very high quality and a good fit. I have used the for years
Written by a customer while visiting Filterbuy
Customer Rating
5
I have been a customer
on April 10, 2026
Posted by: Customer
I have been a customer for years and they are always accurate and fast with deliveries.
Written by a customer while visiting Filterbuy
Customer Rating
1
Overpriced low quality product. Sall
on April 9, 2026
Posted by: Customer
Overpriced low quality product.
Sall size than regular filters will not stay in place. Will not recommend
Sall size than regular filters will not stay in place. Will not recommend
Written by a customer while visiting Filterbuy
Customer Rating
1
BEWARE , All filters are
on April 9, 2026
Posted by: Customer
BEWARE , All filters are . 25 to . 5 inch smaller than the advertised sizes & can slip into duct cavity.
Overprice & False advertising of heavy discount.
Low quality product. will not recommend.
It is better to buy a different brand from your local store.
Very disappointed.
Overprice & False advertising of heavy discount.
Low quality product. will not recommend.
It is better to buy a different brand from your local store.
Very disappointed.
Written by a customer while visiting Filterbuy
Customer Rating
5
I have not had a
on April 9, 2026
Posted by: Customer
I have not had a long enough to tell you whether any good yet or not. Give me another week or two
Written by a customer while visiting Filterbuy
Customer Rating
5
Filter subscription
on April 9, 2026
Posted by: Customer
I have been on a filter renewal for our home filters now for almost 6 years and am very happy and satisfied.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great Company
on April 9, 2026
Posted by: Customer
The filters fit perfectly. Quality product, and hold up very well.
Written by a customer while visiting Filterbuy
Customer Rating
5
Only Brand We Use
on April 9, 2026
Posted by: Customer
Like the title says, we always purchase our filters from Filter Buy. We've been purchasing them for many years and hope to continue into the future. They do a great job of filtering out pet hair, dander, etc. Living in Arizona, it's very important we have good filters due to our dry dusty air.
Written by a customer while visiting Filterbuy