Customer reviews from Filterbuy
Filterbuy - 21x21x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (3-Pack) - Gold
Average customer rating
4
(1,158 Reviews)
Rating breakdown 1,158 reviews
5 Stars
670
4 Stars
149
3 Stars
120
2 Stars
91
1 Star
128
Customer Reviews for Filterbuy - 21x21x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (3-Pack) - Gold
Customer Rating
3
Too small
on December 27, 2024
Posted by: Anonymous
It's a little too small to fit the space where I had a Honeywell 20 x 20 x 4. I put some weatherstrip around the edges to make it snug.
Written by a customer while visiting Filterbuy
Customer Rating
5
I love the filter.
on December 22, 2024
Posted by: Anonymous
The filter fits exactly. It is well made and durable. The exact fit ensures that all dust will be collected. I will continue to reorder this filter.
Written by a customer while visiting Filterbuy
Customer Rating
5
The correct fit and function,
on December 19, 2024
Posted by: Anonymous
The correct fit and function, great product and company.
Written by a customer while visiting Filterbuy
Customer Rating
1
Filter Buy
on December 18, 2024
Posted by: Anonymous
Have not recieved them yet. Manufacture did not reach out about delay we had to call them. They are supposed to be here late this week?
Written by a customer while visiting Filterbuy
Customer Rating
5
I havent open the box
on December 12, 2024
Posted by: Anonymous
I havent open the box yet but service was very good got it the next day and it was reasonably priced the best I could find will be back when these are gone thanks
Written by a customer while visiting Filterbuy
Customer Rating
5
Your four inch filters fit
on December 10, 2024
Posted by: Anonymous
Your four inch filters fit my furnace perfectly. Other brands require more effort to install and remove.
Written by a customer while visiting Filterbuy
Customer Rating
5
Outstanding service with great products.
on December 10, 2024
Posted by: CJ B.
Outstanding service with great products. Great value.
Written by a customer while visiting Filterbuy
Customer Rating
5
Just put it in and
on December 9, 2024
Posted by: Anonymous
Just put it in and the flow is good, but it only measured out at 3 1/2 inches Deep and my filters measure out 4 inches. Its a little loose, but Im sure it will work just fine.
Written by a customer while visiting Filterbuy