Customer reviews from Filterbuy
Filterbuy - 18x30x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Average customer rating
4
(1,169 Reviews)
Rating breakdown 1,169 reviews
5 Stars
677
4 Stars
150
3 Stars
121
2 Stars
92
1 Star
129
Customer Reviews for Filterbuy - 18x30x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold
Customer Rating
5
Positive
on June 11, 2026
Posted by: Customer
The filter are persize. I have bought this type of filter and used these filter I think 3 times and they do an excellet job in keeping the dust and other unwanted environment trap on the filter. Good company good product.
Written by a customer while visiting Filterbuy
Customer Rating
5
Merv filters
on June 8, 2026
Posted by: Customer
I really like these air filters. They really help especially during inversions, chimney smoke from neighbors fireplaces. I recommend them.
Written by a customer while visiting Filterbuy
Customer Rating
5
Fast and reliable as always!
on June 4, 2026
Posted by: Customer
Are you re-ordered our six house filters and they showed up promptly and earlier than expected! Thank you so much!
Written by a customer while visiting Filterbuy
Customer Rating
4
Thinking about furnace filters?
on May 29, 2026
Posted by: Customer
I don’t actually give much thought to furnace filters. I buy the size and the MERV the HVAC guy tells me to, and I don’t seem to have any air filtration problems, so I assume they’re working.
Written by a customer while visiting Filterbuy
Customer Rating
1
I have not installed the
on May 28, 2026
Posted by: Customer
I have not installed the filter at this time. I'm guessing it may take a month to test
Written by a customer while visiting Filterbuy
Customer Rating
5
B Martin
on May 21, 2026
Posted by: Customer
Love the way they have pretty much any size you need, quality is great. I receive my filters within a couple of days, if you have a problem or mix up they were gracious and do whatever it took to make it right! Great filters at a good price!
Written by a customer while visiting Filterbuy
Customer Rating
5
Lightning fast, great filters!
on May 17, 2026
Posted by: Customer
I realized I had used my last filter and the one in my furnace was old, so I ordered a new 6 pack immediately. The new box was on my porch the next day! Super easy website and fantastic quality and price. Keep it up!
Written by a customer while visiting Filterbuy
Customer Rating
4
Product
on May 16, 2026
Posted by: Customer
Would be nice if u can add the weather strips around the filter to better prevent air leak thru.
Written by a customer while visiting Filterbuy