Customer reviews from Filterbuy
Filterbuy - 20x21x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Average customer rating
4.6
(3,948 Reviews)
Rating breakdown 3,948 reviews
5 Stars
3,134
4 Stars
393
3 Stars
198
2 Stars
89
1 Star
134
Customer Reviews for Filterbuy - 20x21x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Customer Rating
5
I just bought them haven’t
on June 30, 2026
Posted by: Customer
I just bought them haven’t had time yet but I’m glad I could buy from your company
Written by a customer while visiting Filterbuy
Customer Rating
5
Very very nice filters. Xcellent quality
on June 29, 2026
Posted by: Customer
What about a Military discount for people who served our country????!
Written by a customer while visiting Filterbuy
Customer Rating
5
Air filters
on June 28, 2026
Posted by: Customer
I’ve been very happy with this air filter. It fits perfectly, is well made, and does a great job trapping dust and allergens while still allowing good airflow. The quality is excellent, and I’ll definitely purchase them again.
Written by a customer while visiting Filterbuy
Customer Rating
5
I always get really good
on June 28, 2026
Posted by: Customer
I always get really good service from Filter Buy. The filters are of high quality and work very well, I changed the filters approximately every 3 months and the system seems to work out really well. Thank you for a very high quality product. Thank you Mike
Written by a customer while visiting Filterbuy
Customer Rating
1
They were very badly made.
on June 27, 2026
Posted by: Customer
They were very badly made. Most of them was squished waste of money.
Written by a customer while visiting Filterbuy
Customer Rating
5
Awesome filters so easy to
on June 27, 2026
Posted by: Customer
Awesome filters so easy to order. The price it outstanding. Thank you
Written by a customer while visiting Filterbuy
Customer Rating
4
D. D. review
on June 27, 2026
Posted by: Customer
Filters appear to be good quality. Packaging could use a little help. I suggest corner protectors in the box. The filters are useable but a bit crumpled on the corners.
Written by a customer while visiting Filterbuy
Customer Rating
5
Perfect Fit
on June 27, 2026
Posted by: Customer
Replacing the Filtrete we have been using because these are a much EASIER fit. We have ceiling vents. These fit without having to force them in over the screws. We are seniors. Not safe on a stool/ladder having to force them in.
Written by a customer while visiting Filterbuy