Customer reviews from Filterbuy
Filterbuy - 18x20x4 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack) - Blue
Average customer rating
4.1
(1,141 Reviews)
Rating breakdown 1,141 reviews
5 Stars
705
4 Stars
109
3 Stars
127
2 Stars
86
1 Star
114
Customer Reviews for Filterbuy - 18x20x4 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack) - Blue
Customer Rating
5
It is the only place
on April 28, 2026
Posted by: Customer
It is the only place I get my filters. fast and have great filters
Written by a customer while visiting Filterbuy
Customer Rating
5
Needed to return due to
on April 27, 2026
Posted by: Customer
Needed to return due to wrong ordering
Need an accordion filter
Need an accordion filter
Written by a customer while visiting Filterbuy
Customer Rating
5
I like it without the
on April 27, 2026
Posted by: Customer
I like it without the box. The size is good and it fits well.
Written by a customer while visiting Filterbuy
Customer Rating
5
Air filter
on April 18, 2026
Posted by: Customer
Great subscription service. . . I don't have to set another reminder! :)
Written by a customer while visiting Filterbuy
Customer Rating
5
Used to remove smoke.
on April 17, 2026
Posted by: Customer
I have an IQ air purifier, I have a merv 11 prefilter, then 2 Merv 13 Filters stacked, Effectively giving me a HEPA filtration with good air flow.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great Filters
on April 9, 2026
Posted by: Customer
I’ve been buying filters from this company for years. I’m very satisfied with the filters and the company.
Written by a customer while visiting Filterbuy
Customer Rating
2
The filters do not fit.
on April 7, 2026
Posted by: Customer
The filters do not fit. Actually measurements are smaller than described size in every dimension. Less substantial than the honeywell filters I was replacing.
Written by a customer while visiting Filterbuy
Customer Rating
5
The filters are outstanding and
on April 6, 2026
Posted by: Customer
The filters are outstanding and at a reasonable price.
Written by a customer while visiting Filterbuy