Customer reviews from Filterbuy
Filterbuy - 21x21x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Silver
Average customer rating
4.7
(5,909 Reviews)
Rating breakdown 5,909 reviews
5 Stars
4,903
4 Stars
498
3 Stars
213
2 Stars
113
1 Star
182
Customer Reviews for Filterbuy - 21x21x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Silver
Customer Rating
5
Excellent product. We have utilized
on September 23, 2026
Posted by: Customer
Excellent product. We have utilized for our church for several years. Order is always perfect, no errors.
Thank you.
Thank you.
Written by a customer while visiting Filterbuy
Customer Rating
4
HAVE not used. Will use
on September 23, 2026
Posted by: Customer
HAVE not used. Will use for winter. I have used this brand in the past.
Written by a customer while visiting Filterbuy
Customer Rating
2
Too small
on September 22, 2026
Posted by: Customer
They were way too small. We had to attach strips to the top and side of our vent in order to make them work.
Written by a customer while visiting Filterbuy
Customer Rating
5
FAST
on September 22, 2026
Posted by: Customer
Very fast and efficient service. Will definitely keep you in mind for future deliveries.
Written by a customer while visiting Filterbuy
Customer Rating
5
Excellent filter
on September 21, 2026
Posted by: Customer
Great value and allows a/c to run smoothly with out restriction.
Written by a customer while visiting Filterbuy
Customer Rating
5
They are just what I
on September 21, 2026
Posted by: Customer
They are just what I needed and they are less expensive. They fit perfect.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great quality and the price
on September 21, 2026
Posted by: Customer
Great quality and the price is good. Only place I buy my filters from.
Written by a customer while visiting Filterbuy
Customer Rating
4
These are great filters and
on September 20, 2026
Posted by: Customer
These are great filters and the price is good. But I would have preferred the cardboard frame wasn't a bright green because it shows. Whoever thought of coloring the filters made a huge mistake.
Written by a customer while visiting Filterbuy