Customer reviews from Filterbuy
Filterbuy - 21.5x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Average customer rating
4.6
(3,950 Reviews)
Rating breakdown 3,950 reviews
5 Stars
3,136
4 Stars
393
3 Stars
198
2 Stars
89
1 Star
134
Customer Reviews for Filterbuy - 21.5x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Customer Rating
5
Excellent choice of filters and
on June 15, 2025
Posted by: Vazgen A.
Excellent choice of filters and its great filters are made in USA
Written by a customer while visiting Filterbuy
Customer Rating
5
Great Air Filter
on June 15, 2025
Posted by: Anonymous
I felt a difference in my condo with this filter. I wasn't sneezing or have allergies anymore. Thank you!
Written by a customer while visiting Filterbuy
Customer Rating
5
Premium Filters
on June 15, 2025
Posted by: Manuel T.
The 2 different sized filters I ordered for our new home, are fantastic as I did not expect any less. Filterbuy is absolutely the best. I have purchased from them for many years. All my friends and family that I told about Filterbuy are extremely happy too. Thanks for your commitment to Quality and Service.
Written by a customer while visiting Filterbuy
Customer Rating
5
I love my new filters.
on June 14, 2025
Posted by: Anonymous
I love my new filters. They are so much better than my old ones. I don't have to change my filters every month, but every three months. The air quality is so much better. Try them for your self, you can't go wrong. Thanks, so much!
Written by a customer while visiting Filterbuy
Customer Rating
5
Quality Product
on June 13, 2025
Posted by: Anonymous
You can get a good luck at an air filter by sticking your head up the furnace, but I'd rather take FilterBuy's word for it.
Written by a customer while visiting Filterbuy
Customer Rating
5
Five stars
on June 9, 2025
Posted by: Anonymous
Great product at a great price. Always ships fast too.
Written by a customer while visiting Filterbuy
Customer Rating
5
We are very pleased with
on June 9, 2025
Posted by: Anonymous
We are very pleased with the quality and price of the filters.
Written by a customer while visiting Filterbuy
Customer Rating
5
We LOVE our custom filter!
on June 8, 2025
Posted by: Melody T.
We have always had difficulty installing replacement filters because of the odd size. This one went right in and it is working beautifully
Written by a customer while visiting Filterbuy