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 have not put them
on September 28, 2026
Posted by: Customer
I have not put them in yet. They seem fine and I will try the new filters soon.
Written by a customer while visiting Filterbuy
Customer Rating
5
Finally !
on September 27, 2026
Posted by: Customer
They fit right. The price is right. I'll be buying Filterbuy from here on.
Written by a customer while visiting Filterbuy
Customer Rating
5
Very pleased overall . The
on September 27, 2026
Posted by: Customer
Very pleased overall . The filters came almost at once.
Written by a customer while visiting Filterbuy
Customer Rating
5
So happy with these filters
on September 26, 2026
Posted by: Customer
My rental building gives me free filters but they were causing me to get lint all over my apartment. Im so happy I found Filterbuy. Better MERV than my old filters and no lint and dust all over everything. VERY happy!
Written by a customer while visiting Filterbuy
Customer Rating
5
Super easy to get filter
on September 26, 2026
Posted by: Customer
Super easy to get filter refills. Takes the worry out of ordering!
Written by a customer while visiting Filterbuy
Customer Rating
5
So far so good!
on September 26, 2026
Posted by: Customer
About a month into my first one and they seem to work well. The quality of the filter seems very nice.
Written by a customer while visiting Filterbuy
Customer Rating
5
EXCEPTIONAL VALUE. BETTER COST PROGRAM
on September 24, 2026
Posted by: Customer
EXCEPTIONAL VALUE. BETTER COST PROGRAM THEN THW COMPETITORS. EXCELLENT CONSTRUCTION
Written by a customer while visiting Filterbuy
Customer Rating
5
Well worth it.
on September 24, 2026
Posted by: Customer
Excellent service, decent filters, no complaints here.
Written by a customer while visiting Filterbuy