Customer reviews from Filterbuy
Filterbuy - 21x27x5 MERV 11 Pet & Allergy Defense, Pleated HVAC AC Furnace Air Filters Replacement for Trane & More (2-Pack) - Gold
Average customer rating
4.4
(1,371 Reviews)
Rating breakdown 1,371 reviews
5 Stars
992
4 Stars
148
3 Stars
81
2 Stars
47
1 Star
103
Customer Reviews for Filterbuy - 21x27x5 MERV 11 Pet & Allergy Defense, Pleated HVAC AC Furnace Air Filters Replacement for Trane & More (2-Pack) - Gold
Customer Rating
4
My AZ go to filter
on July 11, 2026
Posted by: Customer
Efficient pressure drop, good airflow, lasts about 9 months.
Written by a customer while visiting Filterbuy
Customer Rating
1
Please, this has been cancelled
on June 24, 2026
Posted by: Customer
Please, this has been cancelled and card removed.
Got to many on hand!
Got to many on hand!
Written by a customer while visiting Filterbuy
Customer Rating
5
Excellent Filter!!! Eliminates most Dust
on June 8, 2026
Posted by: Customer
Excellent Filter!!! Eliminates most Dust Particles. ,,
Written by a customer while visiting Filterbuy
Customer Rating
5
Have used these filters for
on May 17, 2026
Posted by: Customer
Have used these filters for over 8yrs niw! We like them very much!
Written by a customer while visiting Filterbuy
Customer Rating
5
Very high quality. Installed a
on May 1, 2026
Posted by: Customer
Very high quality. Installed a new filter and family stopped sneezing. So far so good.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great drop-in replacement for 5" Trane OEM filter
on March 11, 2026
Posted by: Bernard W.
These filters are well made. They are perfect fits for drop-in replacement for 5" Trane filters. Note that there is a big drop in price for buying more than one filter at a time.
Written by a customer while visiting Filterbuy
Customer Rating
5
Filterbuy always been responsive to
on December 28, 2025
Posted by: Roger C.
Filterbuy always been responsive to my filter needs. Best source for my furnace filter needs.
Written by a customer while visiting Filterbuy
Customer Rating
5
Everything seems to be working
on October 2, 2025
Posted by: Alton B.
Everything seems to be working out fine, just hope it lasts longer than the last brand I was using,
Written by a customer while visiting Filterbuy