Customer reviews from Filterbuy
Filterbuy - 15x20x4 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack) - Blue
Average customer rating
4.4
(5,900 Reviews)
Rating breakdown 5,900 reviews
5 Stars
4,402
4 Stars
555
3 Stars
405
2 Stars
201
1 Star
337
Customer Reviews for Filterbuy - 15x20x4 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack) - Blue
Customer Rating
5
Very effective
on August 5, 2026
Posted by: Customer
With the recent particle and smoke from wildfires, these filters kept our indoor air clean.
Written by a customer while visiting Filterbuy
Customer Rating
5
Further shipments
on August 5, 2026
Posted by: Customer
I like your product but I need you to STOP sending filters because I have plenty in stock.
PLEASE DON’T SEND MORE UNTIL FURTHER NOTICE.
PLEASE DON’T SEND MORE UNTIL FURTHER NOTICE.
Written by a customer while visiting Filterbuy
Customer Rating
5
Specialized filter
on August 4, 2026
Posted by: Customer
I ordered this specialized filter size and it fit perfectly. I installed it and it's working great.
Written by a customer while visiting Filterbuy
Customer Rating
1
Dimensionally too small (incorrect) in
on August 3, 2026
Posted by: Customer
Dimensionally too small (incorrect) in length and width
Written by a customer while visiting Filterbuy
Customer Rating
5
5 replacement 20 by 20 2” filters
on August 2, 2026
Posted by: Customer
All replaced in good shape. Thanks much for the great service 😊
Written by a customer while visiting Filterbuy
Customer Rating
5
Satisfied
on August 2, 2026
Posted by: Customer
Always delivers a quality product in a timely manner. On line ordering is easy and prices are reasonable.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great process, easy and a
on August 1, 2026
Posted by: Customer
Great process, easy and a great value. We've had the filter in for a bit now and notice a change in the air smell and quality.
Written by a customer while visiting Filterbuy
Customer Rating
5
Good, fast MERV 13 filters
on August 1, 2026
Posted by: Customer
Received these filters quickly. Good for making DIY air filter for wildfire smoke.
Written by a customer while visiting Filterbuy