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MSA3S Smart Air Purifier for Bedroom, Membrane Solutions Alexa Air Purifiers for Home Large Room With AQI, Auto Mode & H13 HEPA Filter, Pet Air Purifiers Remove 99.97% Allergen Dust Odor Smoke Pollen

  • Based on 10,243 reviews
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Availability: In Stock.
Fulfilled by Ravenna Global

Arrives Sep 30 – Oct 1
Order within 17 hours and 50 minutes
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Style: MSA3S Air Purifier


Features

  • Note: To utilize App control, ensure the device is powered on within the home's 2.4GHz WiFi network. If the device malfunctions, adjust the filter's position either up or down. The sensor will then re-identify it and complete the circuit.
  • Air Quality Inspection & Auto Mode: The smart sensor calculates the air quality by detecting pollutants in the air and displays it on the machine panel and MSPure APP. In Auto mode, the MSA3S air purifier will adjust the fan speed in real time according to the air quality. Save electricity and energy while letting you breathe the freshest air.
  • Air Purifier for Home Large Room: MSA3S home air purifier is designed for large room, max coverage is up to 1590ft2. With Patented Tech OdallerPure Activated Carbon Filter, customers will notice the difference within 10 minutes of using the MSA3S Air Filter. Suitable for any room or enclosed spaces such as living rooms, bedrooms, kitchens, offices, restaurants, hotels, and labs.
  • 3-in-1 Filter: MSA3S Air Purifier features a 3-stage filtration design: Pre-Filter - Captures Hair, Pet Dander and Fiber; H13 HEPA Filter - Captures Smoke, Allergens, Dust, Pollen; Activated Carbon Filter - Quickly captures and neutralizes Bad Smells, Pet Odor and VOC to freshen the air quality. 100% Ozone-Free! Note: Due to compatibility problems, Non-original filters may cause the machine to fail to start.
  • Efficiency Filtration: MSA3S Air Purifier uses H13 True HEPA PP electrostatic electret melt-blown filter. Filters out 99.97% of particles as small as 0.01 microns and air pollution PM 2.5 (particulate matter). Effectively improving indoor air quality and relieving pet allergic, coughing, sneezing, chronic allergies and seasonal allergy. Suitable for any room or enclosed spaces such as living rooms, kitchens, bedrooms, offices, restaurants, hotels, and labs.

Color: White


Brand: Membrane Solutions


Product Dimensions: 7.6"D x 13.1"W x 21.4"H


Floor Area: 1590 Square Feet


Specification Met: CARB Certified, CE Certified, ETL Certified


Color: White


Brand: Membrane Solutions


Product Dimensions: 7.6"D x 13.1"W x 21.4"H


Floor Area: 1590 Square Feet


Specification Met: CARB Certified, CE Certified, ETL Certified


Noise Level: 22 dB


Particle Retention Size: 0.01 Micrometer


Wattage: 44 watts


Item Weight: 13.2 pounds


Item model number: MSA3S


Assembly required: No


Batteries required: No


Included Components: Air Purifier


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 30 – Oct 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Easy to set up and works as advertised. Removes a lot of pet hair.
Style: MSA3 Air Purifier
This is the third Membrane Solutions MSA3 air purifier I have purchased, not because of any problems. I just wanted another one to put in the back bedroom that the dogs sleep in. The other two do a great job and I wanted to get a jump on the hair and slight odor in the other room. The units are wells made and there are three normal speeds to chose from and a sleep mode that is very quiet with no lights on so it is hardly noticeable even when running right next to the bed. Replacement filters are fairly expensive but they remove a lot o pet hair and other debris from the air. The first filter comes in the machine sealed in a plastic bag, so don't forget to remove the from panel and take the bag of the filter and reinstall it or the purifier will never start working. Removing the front cover is easy and it snaps back in place when properly adjusted. ... show more
Reviewed in the United States on August 6, 2025 by Walter in Mississippi

  • Love it, so I bought 2
Style: MSA3 Air Purifier
I live on the beach and due to hurricane Helene, our home had to vacant for several months with no power. Because of the high humidity, there was a strong smell of musty, mildew, etc that was unbearable ! This machine took care of the strong smell with in the hour. It's amazing! My husband especially loves the night time feature, nice and quiet! ... show more
Reviewed in the United States on July 7, 2025 by Terri Redshaw

  • Great for allergies!
Style: MSA3 Air Purifier
This air purifier works great, I've definitely noticed the air feels cleaner and the filter is doing a great job. Setting adjustments are nice and work well for what we need. Allergies have improved while at home.
Reviewed in the United States on August 6, 2025 by Taylor

  • Seem to help. Update on my update
Style: MSA3S Air Purifier
Update 2: I found less expensive replacement filter cartridges that work without modification. It seems the cartridges might work on a timer basis with replacement about every 3 or 4 months as indicated by the unit lights. The replacement filter was down to 1/4 as per light indicator. I pushed the reset button for about 5 seconds and the light indicator is now reading like it was new. I will monitor the operation thru dust accumulation on furniture. If I lived in a very active home, I could understand the fast depletion of the cartridge. That is not the case. I am wondering if most manufacturers of household units and their cartridges also work on the timer basis per operational hours and not actual air quality? I guess this is a question for manufacturers of both the unit and cartridges. I saved the original filter and wonder if the same will happen UPDATE: My house is not high traffic and I only have 1 small dog that does not shed. I do the regular, not over the top vacuuming of the floor and furniture. I have not done any frying or heavy cooking. The filter is only 2 months old and is down to one quarter of life left. Knowing that an air filter is just a fan and filter, my next purchase will be a less expensive brand with cheaper and maybe universal type filter. I have noticed less dust on the furniture and electronics (dust magnets!) but think smaller units, with strategic placement might do the job as well. I still compliment the manufacturer for making a good product, but filter cartridge life is no where near what is advertised. I purchased the smart model, my dumb move as it was impossible to pair with my Android phone even after Customer service and I tried every workaround. I was refunded the difference in price. The customer service was honest in telling me there was no difference in the units. I have been running it on Auto since my purchase about a month ago. I hesitated reviewing until I saw if it made a difference in dust and if it actually covered the square footage as advertised. It has made a difference in dust and helps eliminate cooking odors that linger. It is very quiet even on high fan. The indicator seems to be accurate turning from green to yellow to red as air quality diminishes and changes back to green. You can notice the difference in the air smells. Since the coverage area in less than stated, I will be purchasing another to put in the larger master bedroom. Bottom line, don't look for miracles. Make sure you dust and vacuum before your initial startup. Unfortunately it won't suck the dust off or out of furniture; you have to do that yourself. Since I'm purchasing another, that's testimony enough to the fact that this air purifier does help. The filter cartridges are not expensive and seem to last. Remember, as in all air purifiers, they are just fans and filters. ... show more
Reviewed in the United States on December 29, 2023 by Marcia A Borst

  • Quiet and effective
Style: MSA3 Air Purifier
Runs very quiet and I could notice a difference in musty smells already after an hour of operation. Recommended.
Reviewed in the United States on July 18, 2025 by Minoes

  • Ease of use and helps air quality
Style: MSA3 Air Purifier
The filter has worked great and I have noticed a difference in my allergies!
Reviewed in the United States on July 8, 2025 by Rhonda

  • Efficient and relatively quiet
Style: MSA3 Air Purifier
Convenient size for my home. We have 2 units on different floors and they make a difference with the level of dust and other pollutants in our home. We live near a busy road and are in the path of smoke from Canadian wild fires. Clears the air nicely.
Reviewed in the United States on June 19, 2025 by NS

  • This works great
Style: MSA3 Air Purifier
This is great I have one for almost a year. Got the most recent one for my neighbor who's children are having allergy issues. Hopefully this will work for them.
Reviewed in the United States on August 14, 2025 by Bernard Kiefer

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