Customer reviews from Filterbuy
Filterbuy - 21x21x4 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Blue
Average customer rating
4.1
(1,155 Reviews)
Rating breakdown 1,155 reviews
5 Stars
716
4 Stars
109
3 Stars
127
2 Stars
88
1 Star
115
Customer Reviews for Filterbuy - 21x21x4 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Blue
Customer Rating
5
Great Deal
on August 1, 2017
Posted by: Anonymous
Got a filter and it came ASAP. Not only is it a great filter, they will send me another one automatically when it is time to replace it!! How convenient is that!!
Written by a customer while visiting Filterbuy
Customer Rating
2
16x20x4
on July 9, 2017
Posted by: Joy S.
Did not fit properly compared to my Honeywell filters. I bought 8. So now I am stuck with filters that do not fit.
Written by a customer while visiting Filterbuy
Customer Rating
5
Yesterday, I received my order
on June 21, 2017
Posted by: Anonymous
Yesterday, I received my order of filters. If they function equal to the service from the company, I'll be very impressed.
Written by a customer while visiting Filterbuy
Customer Rating
5
I have a difficult to
on June 5, 2017
Posted by: Anonymous
I have a difficult to find filter size that is not found in the "big box" stores. Quick service - excellent product and almost exactly the same I was buying for twice the price at a local heating and cooling dealer
Written by a customer while visiting Filterbuy
Customer Rating
5
Used them in the past
on May 24, 2017
Posted by: Anonymous
Used them in the past and they've worked very well. Just received this order and not yet installed
Written by a customer while visiting Filterbuy
Customer Rating
5
The services is outstanding and
on May 20, 2017
Posted by: Anonymous
The services is outstanding and the filter is find. However I got a hard time when I re-order the filters to find the right measure. The actual filter size that I need is 21X21X5. This type of filter wont show up on the measures filters. Thank you.
Written by a customer while visiting Filterbuy
Customer Rating
5
The filter fit in perfectly
on May 17, 2017
Posted by: Anonymous
The filter fit in perfectly that 1/8 inch worked better than I thought it would.
Written by a customer while visiting Filterbuy
Customer Rating
5
Fix my problem of not
on May 16, 2017
Posted by: Anonymous
Fix my problem of not being able to fit a 24 x 24". But buying two of them at a time they fit fantastic. Thank you
Written by a customer while visiting Filterbuy