25 Replacement Filter for 25 Air Purifier S1/W1/B1, 3-in-1 H13 True HEPA Activated Carbon Filter

These work well in my MA-25. The MA-25 is silent unless set on high speed. These filters do not change that. They do filter well.

Fits as expected last a long time

What an incredible product - the air filter, and I am relieved that the filters are not too expensive.

Work great. What I expected. Purchased may times.

I bought this replacement filter thinking, "How exciting can clean air really be?" Turns out, VERY. This little marvel sucked up more dust than a bored Roomba on a mission. Within hours, my living room smelled less like "old gym sock meets wet dog" and more like "fresh alpine breeze with a hint of smug cleanliness." Installation was easier than assembling IKEA furniture (which is saying a lot), and now my air purifier is working harder than I do on Mondays. I swear I saw it wink at me in gratitude. Breathing has never been so luxurious. I now judge people based on the crispness of their indoor air. If you're wondering whether to buy this filter, just do it. Your lungs (and anyone with a nose within 20 feet of your home) will thank you.

Bought these for a recently purchased used MA25 machine. Filters seem made. Fit perfectly. Surprised to see they had a built in pre filter. Filters seem to work ok really to soon to tell.

These replacement filters are excellent! I can say more than they are a great value for the cost, and they are very easy to replace in our air filters. Just make sure they are compatible with your system.

So far so good. They seem to be the exact filter as the original more expensive ones.

These replacement filters have an identical spec and appearance to the Medify originals, but at less than half the price. They fit and appear to perform as well as the originals, too. Naturally, Medify claims to only warrant their machines if factory-original filters are used, but you will save the entire cost of a new machine after six filter changes, so why not? Continue to replace filters at the prescribed four-month interval, and these will give perfectly adequate service.

Like a charm

These filters from Cabiclean perform as well as the originals from Medify, but at about half the price. They are identical in appearance and may even be from the same manufacturer. Using non-factory filters may void the filter's warranty but, after a few replacement cycles, you will have saved enough to purchase a new unit.

Fit great in my air purifier and catch everything.

I gave this product a try to replace the filters for my Medify MA Air Purifier. The original filters cost me around $122 for two sets of filters, but this brand only costs $55 for two sets. Both have the same specs, both fit perfectly and if this brand truly works as good as the original filters, I will be a customer for life. I am unsure how you prove that these remove 99.99% of the polutants in the air, but I could not prove it with the origina brand either, so c'est la vie. I guess I can maybe update my review at the next filter change in 3 months, and see if the filters are as dirty as the original were?? Cannot beat the price, so I am happy!