2 Pack for Instant AP300 Air Purifier Filter Replacement, H13 True HEPA Filter, and Activated Carbon Filter, Compatible with Instant AP300 Air Purifier, Compare to F300 Filter

I’m very happy with my Instant AP300 Air Purifier, although sadly I do not believe the company makes or sells it any longer. I’ve had mine for a few years and it is still working great.

Thankfully we can still purchase the filters. The filters tend to last anywhere from 6 months to a year, and when your “change filter” light goes on, it’s time for a new one. The official replacement filters are $58 on Amazon, and more expensive elsewhere, which is a good chunk of change.

These filters are “generic” replacements, but they are less than half the price of the official ones. On the outside they look basically the same, and they fit into the AP300 (very easy to install). The question remains as to whether the inner filters are exactly the same. Without cutting these open and examining each layer, we have to give the benefit of the doubt that they are indeed clones.

At first I thought the cloth layer on these generic filters was flimsier and more porous than on the official filters because I could see right through to the slats of the HEPA layer. But, when I looked at the picture of the official AP300 filter that I bought for $58, it looked exactly the same.

The real test is going to be when I use one of these for a while and see how long it takes before filling up. My official filter is still good but I will remove it and put one of these in to test it. It may take awhile, but as soon as I start using the replacement I will circle back with any updated info.

Until then, these appear to be a good alternative to the pricier, brand-name filters.