Blue Pure 511i Max

Blueair

Blue Pure 511i Max

10 positive 0 neutral 4 negative

Based on 14 Reddit mentions

$139.00

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Sentiment summary across the product areas Reddit users mention most.

Reddit mentions

Original Reddit posts and comments behind this analysis.

Filtered by featurepurification performanceClear feature

Please help me not waste money

Since you want to purify your whole 1300sq ft living space, do you have forced air heat and AC? If so, you can get a MERV 8 furnace filter that will work very well. If you don’t have forced air hvac, the box fan CR filter is the next best thing for the large living space. Otherwise for bedrooms, I r

...

johnb300m in r/AirPurifiers

April 4, 2026 2:54 PM

2

Apartment smells like weed

Going through this as well. I went to Best Buy and got 2 Blueair 511i Max air purifiers. Took like 30 minutes and the smell is 98% gone. It's coming from our bathroom. It shares a vent and fan with them. I figured that our because the closet that shares a wall with them and is right next to the bath

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lacmicmcd in r/Apartmentliving

May 24, 2025 6:28 AM

4

Levoit Core 200s vs 300 vs 300s for 20m2 bedroom with the priority for silence, Europe (PL).

One more thing: you say you want Levoit, but if noise is the most importantly thing you should look into the Blueair 511i Max. They “ionize” dust particles so they stick to the filter, and that allows them to run the fan at lower speeds while keeping similar pm2.5 filtration capabilities.

mjsarfatti in r/AirPurifiers

November 30, 2025 11:22 AM

1

Would an Air Purifier help solve this problem?

Yes, an air purifier would definitely help in the bedroom, but it must have one that uses carbon filters, not just HEPA ones. Price wise, since the room is only 121 sq. ft., you can go with a smaller room air purifier, but the most inexpensive ones may not work that well in a smoky room. I would sug

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Blowingleaves17 in r/AirPurifiers

February 5, 2026 8:12 AM

1

Odor control

My LR3 is in the hall. High traffic area. 2 cats. We don’t smell a thing. I bought a small air purifier that sits next to it. It’s a Blue Pure 511i Max. But there are others too. Like the Levoit Vital 100S.

yankinwaoz in r/litterrobot

August 1, 2025 2:41 AM

1

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