Customer reviews from Filterbuy
Filterbuy - 18x21x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Gold
Average customer rating
4.6
(3,905 Reviews)
Rating breakdown 3,905 reviews
5 Stars
3,098
4 Stars
390
3 Stars
196
2 Stars
88
1 Star
133
Customer Reviews for Filterbuy - 18x21x1 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Gold
Customer Rating
3
Size wouldnt fit without crunching
on July 28, 2025
Posted by: Anonymous
Size wouldnt fit without crunching the short side to make it fit. Price and shipping were great.
Written by a customer while visiting Filterbuy
Customer Rating
5
MERV 11 filter
on July 28, 2025
Posted by: Anonymous
Just had the A/C furnace serviced and he complimented me on getting these filters
Written by a customer while visiting Filterbuy
Customer Rating
5
Best I've NEVER had. Will
on July 28, 2025
Posted by: Edmund B.
Best I've NEVER had. Will replace the first one this fall. Better now? Even if they work amazing I'm never ordering again because of this stupid survey you NEED to know. Please leave me alone. Ed
Written by a customer while visiting Filterbuy
Customer Rating
5
Excellent quality filters, and a perfect fit!
on July 27, 2025
Posted by: Anonymous
Your filters are very well made, we have stopped sneezing since we upgraded the higher MERV grade! Thanks for a producing a great product!
Written by a customer while visiting Filterbuy
Customer Rating
5
Reliable Company + Great Products
on July 27, 2025
Posted by: Morgan T.
Very pleased with this company and have placed many orders with them.
Written by a customer while visiting Filterbuy
Customer Rating
5
The filters that I bought
on July 27, 2025
Posted by: Anonymous
The filters that I bought from your company are working well for me thank you so much I will buy more when needed
Written by a customer while visiting Filterbuy
Customer Rating
5
THANKS AGAIN for your quick
on July 26, 2025
Posted by: Anonymous
THANKS AGAIN for your quick response. The filters are a perfect fit and price is great for the full package. Will AGAIN reorder them from you. :+1:
Written by a customer while visiting Filterbuy
Customer Rating
5
Filter Purchase
on July 26, 2025
Posted by: Diane B.
Filters were reasonable when you buy a quantity. They came within a few days. Great service.
Written by a customer while visiting Filterbuy