Customer reviews from Filterbuy
Filterbuy - 27x27x4 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack) - Blue
Average customer rating
4.1
(1,156 Reviews)
Rating breakdown 1,156 reviews
5 Stars
717
4 Stars
109
3 Stars
127
2 Stars
88
1 Star
115
Customer Reviews for Filterbuy - 27x27x4 MERV 13 Smoke & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (5-Pack) - Blue
Customer Rating
5
Excellent filters, fairly priced with
on October 2, 2026
Posted by: Customer
Excellent filters, fairly priced with solid fulfillment.
Written by a customer while visiting Filterbuy
Customer Rating
5
We have been using these
on September 30, 2026
Posted by: Customer
We have been using these filters for the past few years and they do an excellent job. Service is excellent!
Written by a customer while visiting Filterbuy
Customer Rating
5
AC HEATING FILTERS
on September 30, 2026
Posted by: Customer
Great product, fast service, and a reasonably priced!
Written by a customer while visiting Filterbuy
Customer Rating
5
Hospital grade filters.
on September 16, 2026
Posted by: Customer
I have end stage COPD and was very happy to find a hospital grade filter that doesn't block the furnice air flow. It works great. Thank you filterbuy.
Written by a customer while visiting Filterbuy
Customer Rating
2
Pleats are inconsistent
on September 16, 2026
Posted by: Customer
As a pharmacist, we used similar pre-filters on our HEPA laminar hoods. They had consistent and stronger pleats. Filterbuy sells me poorly constructed filters. I’d pay more for better quality.
Written by a customer while visiting Filterbuy
Customer Rating
2
Spam Company
on September 15, 2026
Posted by: Customer
Buying Filterbuy Filter means getting your inbox filled with spam. Don't ask me to unsubscribe because I never subscribed in the first place.
Written by a customer while visiting Filterbuy
Customer Rating
5
I have been buying home
on September 15, 2026
Posted by: Customer
I have been buying home air handling filters from Filterbuy for years. Very pleased with the quality and perforomance of the filters and will continue to buy them online.
Written by a customer while visiting Filterbuy
Customer Rating
5
Haven't got replacement yet
on September 12, 2026
Posted by: Customer
I got my filters really quick but they were much smaller than the one I had. The product was 16x 25 x 4. The filters I took out of my ac were also printed that size. The lesson learned is forget what it says on your filter. Look at the filter edge till you find actual size. Big difference. Return was easy. Just waiting on replacements b
Written by a customer while visiting Filterbuy