Colorfullife 4 True HEPA + 8 Pre-Filter Aer1 Filter Replacement Compatible With Holmes AER1 Air Purifiers, Replacement Parts # HAPF30AT, HAPF300AH-U4R, HAP242-NUC

Work perfectly, fit perfectly. Much cheaper than other brands and work just as well if not better. Simple to replace. They last a long time. I have two and these filters fit perfectly and work very well.

I ended up purchasing Holmes air purifiers for our home, as my allergies and asthma have been horrible lately. I went to purchase replacement filters at the store i purchased our purifiers and was horrified at the price for one filter. I decided to price check what they were here, and of course, the difference was insane. I have now been running these filters in both of my purifiers for over a month, and they seem to work just as good as the name brand 4x the price option. They fit perfectly, and I haven't had any issues. I will absolutely continue to purchase these instead!

These fit perfectly and they're heavyweight quality. I was thrilled to be able to find these in the right size for an old filter. It was simple to switch out and it even worked in another purifier too. Just what I needed!

I've used these for a few years and it is incredibly cheaper than buying them in the store and we feel we get the same results. They come with a carbon filter which is to reduce the odors and the filters seem to work just as well as they have the filters that we were buying before for so much more money.

Great, clean air

Do yourself a favor and save time buying these rather than a generic that’s supposed to fit.

Great, I love them

Worked great!