Customer reviews from Filterbuy
Filterbuy - 21x21x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (12-Pack) - Gold
Average customer rating
4
(1,144 Reviews)
Rating breakdown 1,144 reviews
5 Stars
660
4 Stars
148
3 Stars
119
2 Stars
91
1 Star
126
Customer Reviews for Filterbuy - 21x21x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (12-Pack) - Gold
Customer Rating
5
Have been using them for
on May 30, 2024
Posted by: Marvin H.
Have been using them for several years now. They work well for me.
Written by a customer while visiting Filterbuy
Customer Rating
5
Needed 20x25x5. 20x25x4 is too
on May 27, 2024
Posted by: Neal G.
Needed 20x25x5. 20x25x4 is too small. Will order correct size later.
Written by a customer while visiting Filterbuy
Customer Rating
5
Look good
on May 26, 2024
Posted by: Anonymous
Just received 3 filters. Installed one four days ago, will have to wait and see.
Written by a customer while visiting Filterbuy
Customer Rating
5
Works great at a great price
on May 25, 2024
Posted by: Anonymous
Have used Filterbuy filters for several years now. They perform perfectly and the price is reasonable. Highly recommend.
Written by a customer while visiting Filterbuy
Customer Rating
2
Not a replacement for Honeywell to small
on May 23, 2024
Posted by: Anonymous
Smaller than the Honeywell did not work in my a.c. To Small went in the trash what a waste.
Written by a customer while visiting Filterbuy
Customer Rating
1
Under sized
on May 22, 2024
Posted by: Lynne H.
The size was barely 16 x20x4. keft much space around the filter area
Written by a customer while visiting Filterbuy
Customer Rating
5
So Far So Good
on May 19, 2024
Posted by: Anonymous
The filter was an excellent fit and based on previous experience with Filterbuy filters I expect excellent performance.
Written by a customer while visiting Filterbuy
Customer Rating
5
Filter buy MERV 11
on May 17, 2024
Posted by: Judd C.
Good stuff been using them for over 5 years. We live in an area with a lot fires and smoke. The filters really help keep the air cleaner in the house.
Written by a customer while visiting Filterbuy