Customer reviews from Filterbuy
Filterbuy - 21.5x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (3-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 (3-Pack) - Gold
Customer Rating
5
Da best loyal customer since
on August 26, 2025
Posted by: Kevin M.
Da best loyal customer since 3 years Cleans the Chattsworth Porter Ranch air right nicely:+1:
Written by a customer while visiting Filterbuy
Customer Rating
5
Received them promptly Fit perfectly
on August 25, 2025
Posted by: Phil L.
Received them promptlyFit perfectlyDoing great job filtering our home air
Written by a customer while visiting Filterbuy
Customer Rating
5
20x50x1 MERV Pleated Air Filter
on August 25, 2025
Posted by: Anonymous
The best filters out there. Recommended by my air conditioning tech. The only one I have used for years and will continue to do so.
Written by a customer while visiting Filterbuy
Customer Rating
5
I have been buying from
on August 25, 2025
Posted by: Anonymous
I have been buying from Filter buy for years and have never been disappointed. Very quick service and very high quality filters at a good price.
Written by a customer while visiting Filterbuy
Customer Rating
5
does a great job filtering
on August 25, 2025
Posted by: Anonymous
does a great job filtering all the dust and outside dust coming into the house!
Written by a customer while visiting Filterbuy
Customer Rating
5
Everything you Need in one Place
on August 19, 2025
Posted by: Anonymous
This site is very convenient and the filters are of great quality.
Written by a customer while visiting Filterbuy
Customer Rating
5
Already recommended you to another
on August 18, 2025
Posted by: Anonymous
Already recommended you to another friend that is having a hard time finding the size filer that he needs
Written by a customer while visiting Filterbuy
Customer Rating
5
Serves the purpose it is
on August 17, 2025
Posted by: Ziad G.
Serves the purpose it is designed for at affordable price.
Written by a customer while visiting Filterbuy