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
little early to tell, I
on July 18, 2025
Posted by: Anonymous
little early to tell, I installed my first FILTERBUY Merv 11 filter on 7/10/25 but i like the design of filter The HVAC manufacture LENNOX recommended Merv 11 I choose your product due to good reviews and price THANK YOU Ken Barry
Written by a customer while visiting Filterbuy
Customer Rating
5
SUPER COMPANY AND PRODUCT
on July 18, 2025
Posted by: Anonymous
Appreciate the ability to chose the desired MERV rating.
Written by a customer while visiting Filterbuy
Customer Rating
5
Looks perfect. Seems to do
on July 17, 2025
Posted by: Anonymous
Looks perfect. Seems to do what a filter is supposed to do.
Written by a customer while visiting Filterbuy
Customer Rating
5
Merv 11 filters
on July 16, 2025
Posted by: Evelyn B.
The main reason I bought them was made in USA. I have used them before and liked them
Written by a customer while visiting Filterbuy
Customer Rating
3
just installed
on July 16, 2025
Posted by: Anonymous
getting the filter after ordering was disappointing
Written by a customer while visiting Filterbuy
Customer Rating
5
Fine
on July 15, 2025
Posted by: Jeanie O.
I appreciate the installation video. But I don't like being bombarded with ads every day.
Written by a customer while visiting Filterbuy
Customer Rating
5
Merv 11
on July 14, 2025
Posted by: Anonymous
I like it a lot! Looks good. Slips in easily and air flow is good. . All good reviews from me.
Written by a customer while visiting Filterbuy
Customer Rating
5
Excellent MERV 11 Custom Filters.
on July 14, 2025
Posted by: Anonymous
I find these air filters to catch the tiniest particles and clean the air. For someone who has allergies and asthma, these filters are a lifesaver.
Written by a customer while visiting Filterbuy