Customer reviews from Filterbuy
Filterbuy - 20x23x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (3-Pack) - Gold
Average customer rating
4.6
(3,950 Reviews)
Rating breakdown 3,950 reviews
5 Stars
3,136
4 Stars
393
3 Stars
198
2 Stars
89
1 Star
134
Customer Reviews for Filterbuy - 20x23x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (3-Pack) - Gold
Customer Rating
5
Glad I found them
on April 18, 2026
Posted by: Customer
I ordered the. 20x23x1. I have a hard time m e finding them my size is not easy to find. The price was reasonable. Thank you
Written by a customer while visiting Filterbuy
Customer Rating
5
Great Filters
on April 18, 2026
Posted by: Customer
Great site to order from,easy to navigate. The products are explained well. Great filters
Written by a customer while visiting Filterbuy
Customer Rating
5
Air Filter 20x23x1
on April 17, 2026
Posted by: Customer
This was a hard size to find and appreciate the price and quality of these filters. I don’t have to cut a slightly bigger filter anymore!! Thank You
Written by a customer while visiting Filterbuy
Customer Rating
5
Nothing to say really. Its
on April 16, 2026
Posted by: Customer
Nothing to say really. Its filters and they work as intended
Written by a customer while visiting Filterbuy
Customer Rating
4
Filters are fine but difficulty
on April 15, 2026
Posted by: Customer
Filters are fine but difficulty in getting the discount that was due me so I OVERPAID on their website
Written by a customer while visiting Filterbuy
Customer Rating
5
This fits my furnace perfectly
on April 14, 2026
Posted by: Customer
This fits my furnace perfectly and it came to me very fast!
Written by a customer while visiting Filterbuy
Customer Rating
5
Filter quality
on April 14, 2026
Posted by: Customer
As far as I know the filters are working fine. My orders always come on time.
Written by a customer while visiting Filterbuy
Customer Rating
5
Best filters and price is great, and delivered right to the house.
on April 13, 2026
Posted by: Customer
Love that the filters get mailed right to the house and they are priced right. Good quality as well.
Written by a customer while visiting Filterbuy