Genuine Blue Pure F4MAX Replacement Filter for 411i Max & 411a Max Air Purifiers - AHAM Certified, HEPASilent Dual Filtration, Removes 99.97% of Particles & Odors, Genuine Carbon Filter

This air filter is anazing. This 411 size is large and powerful enough to clea the air in a combined living-dining and kitchen….probably about 500 sq.feet. Even after a year I am surprised when I hear it rev up, even before I realize the need, when I am stir frying something and the steam and aromas start filling the air. I have a smaller one in my bedroom which works equally as well. I bought the filter to have ready but the signal has not yet been given to change. It is almost one year of constant use.

Works great

I couldn’t be happier with the BlueAir Air Filter Filters! These filters have truly made a difference in the air quality of my home. The installation is a breeze, and they fit perfectly into my air purifier. Since I started using them, I’ve noticed a significant improvement in the air – it feels fresher, and there's less dust and allergens floating around. What I love most is how effective they are at capturing even the tiniest particles, like pollen and pet dander, which is a game-changer for anyone with allergies. The filters are also long-lasting, which means I don’t have to worry about changing them too often. These filters work quietly in the background, ensuring clean air without any noticeable noise. Overall, I highly recommend these air filter filters to anyone looking to improve their indoor air quality. They’re a reliable and cost-effective solution for a healthier, more comfortable living space!

I purchased this filter because a new neighbor would smoke outside frequently and living in Southern California our windows are pretty much always open. I found this filter to help so much with reducing the smoke coming in through the windows. I've also noticed that the air inside is generally more fresh. Smells left behind from cooking or our pets are also quickly filtered and less noticable. I highly recommend the BlueAir products

Perfect

I was unaware of Amazon selling this filter! It’s about 5 dollars cheaper than its competitor seller and it gets here faster! It’s very simple to replace and it lasts about 4 months.

Perfect and easy replacment for our Blue Air Purifier

I bought this filter as the red lights indicated a change needed. The lights never reset and the machine stopped working. Blue air customer service offered nothing so I now have a purifier that doesn’t work (it’s not even 3 years old) and a $40 useless filter. I would strongly suggest another brand of purifier

It's far better to use original manufacturer filters for your air purifiers. They trap all the dust,pollen,smoke etc. that they claim...but only if using the recommended type and size filter. This particular filter is rated for my purifier and works great.

This is one of the best filters for the Blue Pure 411i Max.

Perfect fit and perfect replacement. Good product!

Simple to replace and effective

Came in great condition and works perfectly!