Customer reviews from Filterbuy
Filterbuy - 18x21x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Blue
Average customer rating
4.6
(3,366 Reviews)
Rating breakdown 3,366 reviews
5 Stars
2,670
4 Stars
300
3 Stars
182
2 Stars
73
1 Star
141
Customer Reviews for Filterbuy - 18x21x1 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Blue
Customer Rating
5
Great
on July 7, 2025
Posted by: Braydon M.
Greta product only problem is on me I bought the wrong size
Written by a customer while visiting Filterbuy
Customer Rating
5
Migraines Gone!
on July 7, 2025
Posted by: Leovardo G.
Best filter hands down. Instant change in the air and best part is my wifes migraines / allergies are gone. Definitely going to subscribe. Worth every penny.
Written by a customer while visiting Filterbuy
Customer Rating
5
Upgrade filtering
on July 5, 2025
Posted by: Anonymous
Using merv11 still left me dusting every week. I will see if Merv13 changes that
Written by a customer while visiting Filterbuy
Customer Rating
5
Great price!
on July 5, 2025
Posted by: Pete J.
Great price on these filters! So far they're working great
Written by a customer while visiting Filterbuy
Customer Rating
5
Merv 13
on July 4, 2025
Posted by: Anonymous
No more dust on flat surfaces! Definitely worth the extra money.
Written by a customer while visiting Filterbuy
Customer Rating
5
The Best Filters!
on July 3, 2025
Posted by: Anonymous
I have been using these filters for a while and always recommend to friends and family. They definitely help with the allergies and help maintain the life of the unit. Thank you.
Written by a customer while visiting Filterbuy
Customer Rating
5
Good quality products and good
on July 3, 2025
Posted by: Anonymous
Good quality products and good people to deal with, that's why I am a repeat customer {also retired electrical and A/C Contractor).
Written by a customer while visiting Filterbuy
Customer Rating
5
Upgraded furnace, and needed to
on July 3, 2025
Posted by: Anonymous
Upgraded furnace, and needed to get a new size, so went with the same MERV 13 as before. Am totally happy with the quality and efficiency!
Written by a customer while visiting Filterbuy