Customer reviews from Filterbuy
Filterbuy - 20x20x4 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Silver
Average customer rating
4.6
(7,979 Reviews)
Rating breakdown 7,979 reviews
5 Stars
6,412
4 Stars
704
3 Stars
346
2 Stars
211
1 Star
306
Customer Reviews for Filterbuy - 20x20x4 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Silver
Customer Rating
5
The size is perfect, and
on June 11, 2026
Posted by: Customer
The size is perfect, and quality appears to be very good.
Written by a customer while visiting Filterbuy
Customer Rating
5
Excellent filters
on June 11, 2026
Posted by: Customer
Excellent service and the filters do anything amazing job of cleaning the air. Yes im a repeat customer and will continue to purchase from this company.
Written by a customer while visiting Filterbuy
Customer Rating
3
I installed first filter at
on June 10, 2026
Posted by: Customer
I installed first filter at the beginning of June, so I haven’t had time to make a decision yet. I did buy 3 month filter but due to having 3 dogs I was instructed by A/C tech to still change every month.
Written by a customer while visiting Filterbuy
Customer Rating
5
I love this!
on June 10, 2026
Posted by: Customer
So convenient. Easy to purchase. Delivered on time. I will definitely use them again!
Written by a customer while visiting Filterbuy
Customer Rating
5
Perfect
on June 10, 2026
Posted by: Customer
Perfect for my air conditioner unit and I have extras for future use, the company is great, delivery is great, price is great.
Written by a customer while visiting Filterbuy
Customer Rating
5
Best filters I have ever
on June 10, 2026
Posted by: Customer
Best filters I have ever bought I recommend to everybody
Written by a customer while visiting Filterbuy
Customer Rating
5
I give the quality a
on June 10, 2026
Posted by: Customer
I give the quality a 100%, and the size fits perfectly into the machines. I will continue to purchase from Filter Buy. Excellent choice
Written by a customer while visiting Filterbuy
Customer Rating
5
Air Filter
on June 8, 2026
Posted by: Customer
It was just what I needed. I was unable to find the right size filters for my home AC/Furnace at the local hardware stores.
I am very pleased with the purchase.
I am very pleased with the purchase.
Written by a customer while visiting Filterbuy