Customer reviews from Filterbuy
Filterbuy - 21x27x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Blue
Average customer rating
4.6
(3,423 Reviews)
Rating breakdown 3,423 reviews
5 Stars
2,717
4 Stars
302
3 Stars
185
2 Stars
73
1 Star
146
Customer Reviews for Filterbuy - 21x27x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Blue
Customer Rating
5
Great product with great service.
on June 1, 2026
Posted by: Customer
Great product with great service. The filters arrive every three months like clock work. MERV 13 filters are great!
Written by a customer while visiting Filterbuy
Customer Rating
5
Buy with confdence
on May 30, 2026
Posted by: Customer
Buy with confidence in the quality, in the value and, in the service.
Written by a customer while visiting Filterbuy
Customer Rating
5
Size
on May 30, 2026
Posted by: Customer
I could not find this size filter in any store. I was thrilled to find it with your company. The products are quality products iand very effective.
Written by a customer while visiting Filterbuy
Customer Rating
5
High quality. High performance
on May 30, 2026
Posted by: Customer
I am thrilled with the quality of the filters that I purchased. My air quality is amazing.
Written by a customer while visiting Filterbuy
Customer Rating
5
Too thick for summer
on May 30, 2026
Posted by: Customer
Restricted the air flow causing the AC to freeze up leading to a very hot night! Went back to the filters we used before and it’s working again.
Written by a customer while visiting Filterbuy
Customer Rating
5
GREAT JOB! RIGHT ON TIME!
on May 28, 2026
Posted by: Customer
PERFECT! THO THE BOX IS ENORMOUS, IT DOES RECYCLE. THANKS SO MUCH.
Written by a customer while visiting Filterbuy
Customer Rating
5
Using for 7 years and
on May 27, 2026
Posted by: Customer
Using for 7 years and couldn’t be happier with the air quality results throughout the house.
Written by a customer while visiting Filterbuy
Customer Rating
5
Traps so much dust and
on May 25, 2026
Posted by: Customer
Traps so much dust and outside elements. The price is super great.
Written by a customer while visiting Filterbuy