Quality replacement filters delivered to your door. No hassle. No commitments. Buy one time or subscribe to save 5% on your order. Always free shipping.
Written by the business, not verified by us.Filterbuy (filterbuy.com) has a 2.2 out of 5 rating on OK.one, based on 200 user reviews collected here. It is listed under Construction & Manufacturing and its reputation is poor. 64% of reviews are 1 star, a relatively high share; The business has replied to 32% of negative reviews; Reviews mostly discuss Product, Customer service, Quality. Last updated 2026-08-31.
Most reviewers were unhappy with their experience overall. Many people experienced serious issues with products arriving damaged or not matching the advertised sizes, making them difficult to use. Consumers frequently mentioned that customer service representatives were unhelpful and failed to provide proper solutions when problems arose. Though some reviewers faced challenges, a small group of people were genuinely satisfied with the fast delivery and quality items. Customers also shared that representatives quickly resolved sizing mistakes and provided courteous assistance during their interactions. These individuals praised the efficient service and professional support they consistently received when placing their regular orders.
Auto-generated from all reviews of this business. For reference only.Your customer service rep (Stef) was such a blessing and such a great help. She provided me with fast responses and was such a big help. I hope that your other employees are as helpful as she has been. Thank you Stef!
Person was able to update my account and get me the right size filter I needed . I originally input wrong email, so I was receiving wrong sizes . I was able to exchange filters and get the right size . So helpful
I have been using Filterbuy for 3 years now for out Filter needs and I have never once been disappointed in the quality of the filters and the customer service is next level. Stephanie from the customer service team needs a shoutout for the amazing job rectifying a mistake I made when I ordered last round of filters. I will continue to always support Filterbuy.
Helpful customer service, fast shipping and great product
Terrible customer service. I ordered two different sizes. The first arrived no problem and UPS handed it off to a subsidiary RoadieXD. The next order was never delivered and the representative said it was because there was an incomplete address. Again, UPS handed it off to RoadieXD. Tried customer service several times and got no help. I am now out $80. Don’t use them! I will never again!
Stef did an amazing job with getting me the correct filters after I order the incorrect size. She was an absolute pleasure to communicate with.
If I could give negative stars I would I bought just like I always have from store and bought my size filter and got it it was wrong then was told that their sizes are not nominal they say that but the actual measurements are different I will never buy from them again so I opened one and tried it didnt fit now they do t take "used" ones back plus they charge you to return 8 bucks the cost of one filter so I bought a 6 pack and now only if I send back will I only get money back for 4 filters out of the 6 very bad business never again buy from lowes walmart anyone else but them
I received damaged filters and the Filterbuy's response was for me to file a claim with UPS! I know of no other company that makes their customers fix the problem they created. Do not buy from this company!
They changed the size of their filters in order to increase their profits. When their filters wouldn’t fit they would not allow me to return them. I will never buy from them again.
first time I used them they sent my filter to the wrong location, I had to get PayPal involved to get my filter reship to the right location. stupid me ! Now I just reorder a bunch of filters, guess where they went?? YEP! the wrong address, now they refused to ship filter anywhere , or return my money . Why one might ask? they blame PayPal, that PayPal sent them the wrong address twice, 1-The address is and old address I haven't lived in for years. 2-paypal has the right address because I check PayPal whit I was waiting them to pick up form hold. the address is correct. now I have case again for the second time, good news I found a new supplier, so good FN bye to FILTER BUT BAD COMPAMY, poor service, poor everything. this company needs to learn customer is always right . Give me my money back ... FOOLS !
I ordered a 16x25x4 set of 4 filters. When I received the filters, they were not the size stated. The phone help didn't know that the stated size is wrong, that they have "nominal" sizes and you cannot get a 16x25x4 filter unless you order a custom size filter. They would not accept all 4 filters back. I was out the money for 1 filter plus shipping. A worthless filter as it is short in all 3 dimensions and cannot be used in the furnace. I find that they are a deceptive company, as they do not make it clear that they do not sell what they advertise.
Filters were not the size they stated they were. I ordered 20 x25 x5 and it came 20 x 25.5 x 5 and does not fit. I ordered these filters over a year ago to have on hand and just went to replace my filter and discovered they do not fit. Not I read the company sucks and is not only difficult to return to they are reluctant to take them back or want to charge for the returns even though they were at fault. This company is a fraud in my opinion
-5 Their filters are 3/4 inch smaller than the size they're stated to be! Terrible company to deal with! Can't even answer their phone!
can you rate it a zero? I ordered a Honeywell filter and they sent a generic. It was the wrong size as well. They claim that the filter was called Honeywell-compatible but it was not written. I have the confirmation as proof. Wish I checked trustpilot first. I learned a lesson
As a first-time customer, I’m very satisfied. My office requires 7 vent filters, and this was the only site that allowed me to order exactly what I needed—no more being stuck with odd leftovers from packs of 4. I also appreciated the option to include one of our larger back-office filters in the same order and set it up for autoship, making future replacements seamless. While that larger filter was slightly pricier than buying locally at Lowe’s, the convenience of managing everything in one place is well worth it. The prices for the standard filters were among the best I’ve seen, and the quality met my expectations with no issues. Shipping was impressively fast—my order shipped the next day and arrived within 2–3 days.
I ordered a filter for my dehumidifier, which is in my attic that I cannot access a knee and air conditioning company to do. They gave me the size. I ordered the size from filter by and it's not the right one not filter by's fault, I called them up to return it. And they told me it was a custom filter which sounds totally ridiculous, because they have all the numbers on their website and they won't allow me to return it. I'm extremely unhappy about it because I don't have money to throw away. I cancel the subscription. And uh, I have to eat the money, I am. So angry about it, I'm calling the Better Business Bureau. I'm calling my credit card and I'm giving this review that is totally ridiculous. I'm sure there's more than one person in the world that has the size of this filter which on other sites is common. If I could give it no stars, I would
Great customer service for an exchange! Thanks Stephanie!
Be very careful when buying from this company and absolutely triple chech the ACTUAL size of their filters. I bought a six pack of 12x24x1. When used, the filter actually slipped past the sheet metal guides and was literally falling into the blower area. Reason was due to the fact that what they advertised as 12” width was only 11-3/8” as compared to the normal 11-3/4” other manufacturers build to. As I bought these six months in advance of use I’m out on the cost of these and just need to chuck them. BUYER BEWARE
Amazing cost effective filters with great customer service! Highly recommend!!
Had issues with poorly constructed filters and contacted filter buy on the 91st day after ordering. They said they couldn't do anything g since it was after their strict 90 day rule. I may have ordered them 91 days ago but I received them 85 days ago. Trying to get ahead of any price increases...when I put the first one in it made my AC sound like a jet engine taking off. I looked a little closer and noticed they were coming apart at the edges and the the pleats were damaged. I've purchased from this company since 2018. They told me they switched manufacturers on the 20x20x1. They do t tta.d behind their product so I won't be ordering from them any longer
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