Customer reviews from Filterbuy
Filterbuy - 25x25x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Gold
Average customer rating
4
(1,157 Reviews)
Rating breakdown 1,157 reviews
5 Stars
669
4 Stars
149
3 Stars
120
2 Stars
91
1 Star
128
Customer Reviews for Filterbuy - 25x25x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Gold
Customer Rating
5
Seasonal
on March 10, 2026
Posted by: Anonymous
Merv 11 filters are a perfect fit for your home. 4 thick lasting a full year. Great quality for a great price.
Written by a customer while visiting Filterbuy
Customer Rating
1
Not 4 inches
on March 9, 2026
Posted by: Anonymous
Hi, the filters are not 4 inches. I will try and send pictures It's over 30 days but I didn't need to replace until now. How do I return or exchange?
Written by a customer while visiting Filterbuy
Customer Rating
5
Good Filter
on March 8, 2026
Posted by: Anonymous
I have used these filters for many years now and when inspected by professionals the comments are no extra cleaning necessary. Works for me!
Written by a customer while visiting Filterbuy
Customer Rating
5
Prompt service
on March 7, 2026
Posted by: Anonymous
Good product, good price. Will definitely use them again.
Written by a customer while visiting Filterbuy
Customer Rating
1
Fit
on March 7, 2026
Posted by: Anonymous
Fit. I ordered 20 by 25 by 4. Cheaply made Do not fit well even though I ordered the right size
Written by a customer while visiting Filterbuy
Customer Rating
5
Home HVAC System
on March 6, 2026
Posted by: Anonymous
The filters provide excellent filtration and meet all stated performance data.
Written by a customer while visiting Filterbuy
Customer Rating
1
Returning filters is a nightmare
on March 6, 2026
Posted by: Anonymous
Incredibly expensive to ship back. Do not recommend. Buy your filters local when you can. Mistakes happen. Company is incredibly inflexible.
Written by a customer while visiting Filterbuy
Customer Rating
2
Sized like lumber
on March 5, 2026
Posted by: Anonymous
The sizes are asinine. Just make them the actual sizes like some of the other brands
Written by a customer while visiting Filterbuy