Great product, fit perfect, no issues, seems legit

Great product, fit perfect, no issues, seems legit  Read Less

I am so amazed at the job this air purifier does and obviously the proper air filter is the most important replacement part for success!

I am so amazed at the job this air purifier does and obviously the proper air filter is the most important replacement part for success!  Read Less

Fyi the blueair 121 filter light indicator is just a six month timer.

Fyi the blueair 121 filter light indicator is just a six month timer.  Read Less

Press and hold five seconds when you replace the filter

Press and hold five seconds when you replace the filter  Read Less

It's too bad that the replacement filters for most all filtration systems are overpriced, but at least you can save a few dolla...  Read More

It's too bad that the replacement filters for most all filtration systems are overpriced, but at least you can save a few dollars with the amazon offering.  Read Less

Expensive, but works well for a large area, that includes family room, kitchen and kitchenette.

Expensive, but works well for a large area, that includes family room, kitchen and kitchenette.  Read Less

The filter is a bit costly though.

The filter is a bit costly though.  Read Less

I just noticed that amazon cannot ship this particular blueair 121 filter replacement to california.

I just noticed that amazon cannot ship this particular blueair 121 filter replacement to california.  Read Less

I thought maybe because it had the charcoal tied filter in it but then i saw other brands charcoal filter replacement where the...  Read More

I thought maybe because it had the charcoal tied filter in it but then i saw other brands charcoal filter replacement where they would ship it to me.  Read Less