Best Humidifier Filters of 2025

"I love that this panel works perfectly with my April Aire humidifier. Having it delivered to my door at a price lower than my local hardware store is a real bonus!"

"Having used the Aprilaire 35 Water Panel Filters for years, I can confidently say they fit my Aprilaire 600 model flawlessly. The straightforward installation requires no tools, and they seem well-built for longevity. I always replace them at the beginning of winter, which significantly improves my home's comfort."

"I ordered the 10 pack of filters for the best value, and I felt reassured by the detailed installation instructions. The quality of the filters is impressive and identical to the original one in my home, giving me peace of mind for the next couple of years!"

"I hadn't purchased a humidifier in decades. The Levoit ultrasonic humidifier caught my attention with its features and a Black Friday sale. Once it arrived, I found it well-constructed and easy to use. I love that I can control it through a smartphone app, which even suggests optimal humidity for my plants. I would have paid full price, but the sale made it a steal!"

"I needed replacements for my humidifier, and these filters fit perfectly. I definitely recommend changing them out every few weeks for the best performance."

"Installing these filters was a breeze. I use them in my portable humidifier, and they work great!"

"I found these filters to be easy to replace and much cheaper than having someone else do it. I always keep an extra one on hand to swap out before the service visit."

"After moving into my new home with a whole house humidifier, I discovered that the old filter had not been changed in ages. I tried this product and it worked like a charm. The humidifier is now functioning without leaks, and I appreciate that it comes with two filters, so I don't need to buy more this year."

"I saved money by purchasing these instead of going through local furnace repair services. They were easy to install and fit perfectly."

"I’m on my second pack of these capsules. They keep my humidifier water nice and really help to extend cleaning times. There's no film on items in the room from scaled water. Perfect! I would recommend!"

"I purchased these to replace the factory filters for my Homedics Ultrasonic humidifier. They arrived quickly in a well-sealed package and are identical to the original ones. They work great, removing the chlorine smell from the water. I run my humidifier a lot, so these save me from buying gallons of distilled water; I can just use tap! I’ll definitely buy them again."

"I bought these because my humidifier was leaving a white residue on my furniture and floors. After using one for the first day, the residue stopped. They did exactly what I needed them to do!"

"When I purchased my new home, I was clueless about the size of humidifier filter to buy. The old one was in terrible shape, crumbling to dust. This one fit perfectly, and now my humidifier is working like a champ again."

"I received my OEM pad for the HE280 whole house humidifier with overnight delivery at a reasonable price. I'm very satisfied!"

"This is a perfect replacement element for my humidifier. I was a bit worried initially because the pad number was slightly different from my humidifier's. However, the dimensions matched, so I decided to give it a shot."

"These work perfectly in my Aprilaire humidifier. I got two for the price of one!"

"I appreciate the affordable prices and the option to buy in different quantities."

"I usually swap out the filters every fall, and this year, the old one was covered in hard water deposits. Thankfully, it was a breeze to replace!"

"I found these filters to be a perfect fit for my Levoit humidifier. Although they are a bit thinner than the originals, I think it’s a negligible difference. For the price and quantity, it’s a great buy!"

"After changing the filter in my bedroom humidifier, I was amazed at how much better the air quality was. It was easy to replace the old filter with a new one, and I highly recommend these for anyone using a Levoit humidifier."

"These filters are well made and match the original ones perfectly. The price is fantastic, and I love that I can swap them out often without worry. They do their job well, even if I still get some scale, and the performance difference is minimal if any!"

“I noticed that the haze and dust in my home have significantly decreased from my hard water. Since I use a large and small humidifier often, using distilled water wasn’t an option for me. These are definitely worth it!”

“Using this product, I was amazed that the white dust usually associated with humidifiers has completely stopped. Although I’ve only been using it for a little over a week, I believe it’s worth replacing sooner if needed.”

“I had a funny smell coming from my humidifier even when I used distilled water. After putting one of these balls in the small holding cavity, the smell disappeared within hours. I had been cleaning the unit with vinegar weekly, but this product completely eliminated the odor!”

"I usually had my HVAC company install new filters, but after a technician showed me how easy it was, I decided to do it myself. I save a lot of money now! This is the exact same brand and model they use for my humidifier. It's so simple!"

"I recently moved and found that the frame on my humidifier was filled with mineral deposits. I could have spent about $150 on a full repair kit, but this was a fantastic deal. I knew I needed a 35 size filter, and this is the perfect match!"

"I ordered this as a replacement filter that I needed. They typically last about a year, and this one fits perfectly. It arrived just as described. I will definitely order again!"

"I found the installation to be very straightforward and the kit included everything I needed. The quality of the components was impressive, and my home’s humidity level improved quickly after setup."

"I had let my humidifier maintenance slide, but this maintenance kit from Filters Now was a great solution. It was shipped promptly and came with clear instructions. I also appreciated the extra pads for soaking."

"While I was pleased with the new parts fitting properly, I had some issues because it turned out the kit was for a post-2007 model. I needed to adapt my older infeed tube, but it worked out in the end."