FreAire KN-6391RGB HEPA Air Purifier with RGB Lights: 3-level high-efficiency filtration system
Meet the FreAire Air Purifier—your new ally against stuffy air and dull decor. Not only does it tackle everything from smoke to pet dander (yes, even those sneaky particles as tiny as 0.3 microns) with its 3-level high-efficiency filtration system, but it also doubles as a mood lifter. Thanks to its 3 kinds of RGB lights, you can switch up the vibe of your room from 'chill lounge' to 'vibrant party' in seconds.
Here's the kicker: with a dual-channel air inlet and 360-degree air outlet, this little powerhouse can cycle the air in a 215 ft² / 20 m² room five times an hour. That's like giving your room a breath of fresh air, literally. And when it's time to hit the hay, the sleep mode whispers at a barely-there 22 db—so quiet, you'll forget it's on. Plus, for those who love a good scent, the aroma pad lets you infuse the air with your favorite essential oil. Because why settle for clean air when it can also smell like a spa?
- RGB lights for home decoration
- Dual-channel air inlet and 360-degree air outlet
- Sleep mode with low noise
- Aroma pad for essential oils
- 3-level high-efficiency filtration system
General specs
- Brand: FreAire
- Model: KN-6391RGB
- Seller: Amazon
- product_dimensions: 6.1 x 6.1 x 9.7 inches
- weight: 4 Pounds
- coverage_area: 215 ft² / 20 m²
- noise_level: 22 db
- First listed by seller: 6/8/25
If you are interested in more details, you can find full information on the seller's page.
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Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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FreAire KN-6391RGB 3-level high-efficiency filtration system
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FreAire KN-6391RGB 3-level high-efficiency filtration system
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FreAire KN-6391RGB 3-level high-efficiency filtration system
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FreAire KN-6391RGB
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FreAire KN-6391RGB
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ECOSELF HAP-603 2X-Power Filtration system
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| Brand | FreAire | FreAire | FreAire | FreAire | FreAire | ECOSELF |
| Model | KN-6391RGB | KN-6391RGB | KN-6391RGB | KN-6391RGB | KN-6391RGB | HAP-603 |
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| Price | $129.99 | $39.99 | $39.98 | $39.99 | $39.99 | $99.98 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 27, 2025 | June 27, 2025 | July 20, 2025 | June 27, 2025 | June 27, 2025 | June 27, 2025 |
| product_dimensions | 6.1 x 6.1 x 9.7 inches | 6.1 x 6.1 x 9.7 inches | 6.3 x 12.2 x 15.75 inches | |||
| coverage_area | 215 ft² / 20 m² | 1086 ft² | Up to 1295 ft² | |||
| noise_level | 22 db | 22 decibels | 22dB | |||
| Product Dimensions | 6.1 x 6.1 x 9.7 inches | 6.1 x 6.1 x 9.7 inches | 6.1 x 6.1 x 9.7 inches | |||
| Item Weight | 3.04 Pounds | 3.13 Pounds | 3.15 Pounds | |||
| Filter Lifespan | 3-6 months | 3-6 months | 3-6 months | |||
| Coverage Area | 215 ft² / 20 m² | 215 ft² / 20 m² | 215 ft² / 20㎡ | |||
| Noise Level | 22 decibels | 20 decibels | 20 decibels | |||
Christopher J.
San Jose, CA
June 20, 2025
I picked this up a few weeks ago because my apartment in San Jose was feeling stuffy, probably from all the city air and my occasional indoor smoking. Being in the military, I appreciate gear that's reliable and doesn't break the bank, and this fits the bill. It arrived a day late, but no big deal—just a minor hiccup. Setting it up was straightforward; I plugged it in, and it started pulling in air from two sides and pushing it out all around, which really circulates things well. I've been using it daily, and the air quality has improved noticeably; no more that dusty feeling. The light show is a bonus—I can switch between calming blues for relaxing or vibrant colors when I have friends over, adding a fun element to my home decor. It's incredibly quiet, especially at night, so it doesn't disturb my sleep. For the price, it's a solid choice, though I wish it had a bit more oomph for bigger rooms. Overall, it's a great addition to my place, and I'd recommend it to anyone looking for an affordable way to breathe easier and add some flair.
- Pros: This thing is incredibly effective at cleaning the air; it handles smoke and pet dander with ease, making my room feel fresher almost instantly. I love the colorful lights that let me set different moods, and it's so quiet on the lowest setting that I barely notice it running, which is just what the doctor ordered for sleep. The option to add scents with the included pad is a nice touch, making it feel like a mini spa.
- Cons: As it seemed to me, the delivery was delayed by a day, which was a bit annoying, but it arrived fine otherwise. The lights are fun, but they might not be for everyone if you prefer something more subtle, and while it works well in my space, it could struggle in larger areas beyond what's recommended.