Customer reviews from Filterbuy
Filterbuy - 21x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (3-Pack) - Gold
Average customer rating
4.6
(3,995 Reviews)
Rating breakdown 3,995 reviews
5 Stars
3,171
4 Stars
398
3 Stars
200
2 Stars
90
1 Star
136
Customer Reviews for Filterbuy - 21x21.5x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (3-Pack) - Gold
Customer Rating
4
These seem to work more
on August 21, 2023
Posted by: Martina H.
These seem to work more efficiently than my thicker (4") ones!
Written by a customer while visiting Filterbuy
Customer Rating
5
We notice the difference in
on August 21, 2023
Posted by: Lois M.
We notice the difference in our inside air quality immediately. Much less sneezing and nasal irritation. Looking into air duct cleaning as it has been some time since it was done.
Written by a customer while visiting Filterbuy
Customer Rating
1
20x20x1 filters are actually 19.5x19.5x1.
on August 21, 2023
Posted by: Anonymous
20x20x1 filters are actually 19.5x19.5x1. The opening for the filters is 20x20x1, hence there is not a tight fit.
Written by a customer while visiting Filterbuy
Customer Rating
3
Paper frames are a little
on August 21, 2023
Posted by: Anonymous
Paper frames are a little flimsy. Air flow bends them into a cone shape.
Written by a customer while visiting Filterbuy
Customer Rating
5
Filters were just what I
on August 21, 2023
Posted by: Karen P.
Filters were just what I needed. I was not able to find the size I needed in any store.
Written by a customer while visiting Filterbuy
Customer Rating
5
Love these!
on August 19, 2023
Posted by: Anonymous
I am so glad I found Filterbuy. Not only are the prices and quality much better than what you can buy in the big box stores, the filters are delivered to my home. Who does that?
Written by a customer while visiting Filterbuy
Customer Rating
5
Easy access, accurate fulfillment Personal
on August 18, 2023
Posted by: lauren k.
Easy access, accurate fulfillment Personal interaction No computerized fill in the blanks!!Great business experience!ThankYou!!
Written by a customer while visiting Filterbuy
Customer Rating
5
Great Filters
on August 17, 2023
Posted by: Anonymous
Filters work great, just as good as the name brand for a lot less money. And made in USA is always a plus.Placing an order for the HVAC unit filters today!
Written by a customer while visiting Filterbuy