Customer reviews from Filterbuy
Filterbuy - 20x21x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Average customer rating
4.6
(3,949 Reviews)
Rating breakdown 3,949 reviews
5 Stars
3,135
4 Stars
393
3 Stars
198
2 Stars
89
1 Star
134
Customer Reviews for Filterbuy - 20x21x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Customer Rating
5
Great Job, Great Price and
on May 9, 2026
Posted by: Customer
Great Job, Great Price and love the free deliveries
Written by a customer while visiting Filterbuy
Customer Rating
5
Great filters for air purifier
on May 9, 2026
Posted by: Customer
Great filters for air purifier great fit much cheaper
Written by a customer while visiting Filterbuy
Customer Rating
5
Very fast service. A little
on May 8, 2026
Posted by: Customer
Very fast service.
A little expensive but I’m supportive of purchasing g this Made In USA product.
A little expensive but I’m supportive of purchasing g this Made In USA product.
Written by a customer while visiting Filterbuy
Customer Rating
5
Staying Healthy
on May 8, 2026
Posted by: Customer
Best filter around and a variety to select from your computer to meet your needs and finances.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great filters
on May 6, 2026
Posted by: Customer
I have been using FilterBuy for about 2 years. Their delivery is great and on time. The price is unbeatable and the product is amazing.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great filters
on May 4, 2026
Posted by: Customer
I have cats and these filters have really made a difference in the amount of dander and dust in the air. So glad I found them.
Written by a customer while visiting Filterbuy
Customer Rating
5
These are really good filters
on May 4, 2026
Posted by: Customer
These are really good filters and the fit is perfect.
Written by a customer while visiting Filterbuy
Customer Rating
5
Perfect fit filfters
on May 4, 2026
Posted by: Customer
I love these filters. This company has all sizes with a high quality filter that fits my old AC system. They get delivered right to my door exactly when I need them.
Written by a customer while visiting Filterbuy