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
1
The filter is not thick
on April 9, 2026
Posted by: Customer
The filter is not thick enough for the slot I put it in my attack ac unit like the Honeywell one was.
Written by a customer while visiting Filterbuy
Customer Rating
5
Filter review
on April 8, 2026
Posted by: Customer
Filter is constructed very well. Catches a lot of stuff in the air. Being yellow makes it easy to tell when you need to change.
Written by a customer while visiting Filterbuy
Customer Rating
1
Did not fit
on April 7, 2026
Posted by: Customer
It was the way my ac is made but I could not use it because it didn't fit.
Written by a customer while visiting Filterbuy
Customer Rating
5
I had trouble finding this
on April 6, 2026
Posted by: Customer
I had trouble finding this size at stores. With the subscription program I don’t have to worry
Written by a customer while visiting Filterbuy
Customer Rating
5
I love your filters ,
on April 6, 2026
Posted by: Customer
I love your filters , I have allergies and they really help
Written by a customer while visiting Filterbuy
Customer Rating
5
The air filter seems to
on April 6, 2026
Posted by: Customer
The air filter seems to work great. Just installed and I am sure it will do a great filtering my air. Looking forward to see what it can do verses my old filter.
Written by a customer while visiting Filterbuy
Customer Rating
5
Always happy with my filters
on April 6, 2026
Posted by: Customer
I have been a costumer for several years. Product is great. And easy to order!
Written by a customer while visiting Filterbuy
Customer Rating
5
Small filter review
on April 6, 2026
Posted by: Customer
This filter fits well and does its job well. I would buy again
Written by a customer while visiting Filterbuy