Customer reviews from Filterbuy
Filterbuy - 20x20x5 MERV 13 Smoke & Allergy Defense, Pleated HVAC AC Furnace Air Filters Replacement for Honeywell & Lennox (4-Pack) - Blue
Average customer rating
4.4
(878 Reviews)
Rating breakdown 878 reviews
5 Stars
649
4 Stars
94
3 Stars
49
2 Stars
30
1 Star
56
Customer Reviews for Filterbuy - 20x20x5 MERV 13 Smoke & Allergy Defense, Pleated HVAC AC Furnace Air Filters Replacement for Honeywell & Lennox (4-Pack) - Blue
Customer Rating
5
These filters fit perfectly in
on March 8, 2026
Posted by: Anonymous
These filters fit perfectly in our system. Ones from earlier suppliers didnt.
Written by a customer while visiting Filterbuy
Customer Rating
5
Excellent service and excellent product
on March 3, 2026
Posted by: Anonymous
Excellent service and excellent product and easy to order and purchase, I highly recommend Filterbuy
Written by a customer while visiting Filterbuy
Customer Rating
5
Great products and great service
on February 20, 2026
Posted by: Anonymous
So appreciate the quality of the filters at reasonable prices. The order fulfillment is always "super fast". Thanks!
Written by a customer while visiting Filterbuy
Customer Rating
5
I have used them in
on September 15, 2025
Posted by: Anonymous
I have used them in the past and these were just replacents
Written by a customer while visiting Filterbuy
Customer Rating
5
Repeat Customer
on September 10, 2025
Posted by: Anonymous
These are great filters. Hard to find, except here!
Written by a customer while visiting Filterbuy
Customer Rating
5
Fits perfectly
on September 8, 2025
Posted by: Anonymous
The fit is exact for my HVAC, which internal dimensions are smaller.
Written by a customer while visiting Filterbuy
Customer Rating
5
They seem fine. This filter
on September 6, 2025
Posted by: Anonymous
They seem fine. This filter was suggested by our A/C tech.
Written by a customer while visiting Filterbuy
Customer Rating
5
Excellent Filters
on August 30, 2025
Posted by: Anonymous
These filters are an excellent upgrade replacement. The fit perfect and work great.
Written by a customer while visiting Filterbuy