Customer reviews from Filterbuy
Filterbuy - 21x23.5x1 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 - 21x23.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (3-Pack) - Gold
Customer Rating
4
Filterbuy filters
on January 23, 2025
Posted by: Irlean K.
expensive but they work pretty good for the 3 months.
Written by a customer while visiting Filterbuy
Customer Rating
5
Nicely done
on January 23, 2025
Posted by: Anonymous
Easy peasy!!Quick, efficient and correct. A painless transaction!!
Written by a customer while visiting Filterbuy
Customer Rating
3
Color
on January 23, 2025
Posted by: Anonymous
Great service and quality. I dont like the change in color from white as it does not blend in as well
Written by a customer while visiting Filterbuy
Customer Rating
3
The filter is fine but
on January 22, 2025
Posted by: Anonymous
The filter is fine but the cost is a little high for just 1 filter.
Written by a customer while visiting Filterbuy
Customer Rating
1
My past experience with the
on January 21, 2025
Posted by: Anonymous
My past experience with the 20x20x1 fit perfectly the last purchase was too short. . Stop. my automatic shipping !
Written by a customer while visiting Filterbuy
Customer Rating
5
I trust Filter buy. I've
on January 21, 2025
Posted by: Deby C.
I trust Filter buy. I've been using filter buy for years. I love to support local companies. If there's any problems you're right on it fixing it. Thank yousatisfied customer
Written by a customer while visiting Filterbuy
Customer Rating
3
Cardboard border on 24x36 flimsy.
on January 19, 2025
Posted by: Anonymous
The lightweight paper/cardboard used on border is too flimsy for 24x36 filter. I had to put 1 support width wise, so it wont fold in half and go into airhandler.
Written by a customer while visiting Filterbuy
Customer Rating
2
I have always purchased this
on January 18, 2025
Posted by: PATRICIA Y.
I have always purchased this same size from other vendors and I find yours are almost too small. Filter just about gets sucked out of its opening
Written by a customer while visiting Filterbuy