Membrane Solutions MSA3 Air Purifier Review: Quiet HEPA + Carbon Filter for Allergies, Odors & Medium Rooms

garagetested.com editorial team

Garage Tested Editorial Team

(Updated April 9, 2025)
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In an era where indoor air quality is paramount, finding an air purifier that balances performance, durability, and user-centric design can be challenging. After months of testing the Membrane Solutions MSA3 Air Purifier, I’ve discovered a machine that not only meets but exceeds expectations—especially for households with pets, allergies, or sensitivity to odors. Let’s dive into why this purifier stands out in a crowded market.

Product Overview

Membrane Solutions MSA3 Air Purifier for Home, Room Up to 1590 sq ft. H13 True…
  • NOTE: Please Order Membrane Solutions Genuine MSA3 Air Filters, Non Official Brand Filters…
  • Powerful Performance: MSA3 air purifier for home large room remove 99.97% of pet dander,…
  • Upgraded 3-STAGE HEPA Filter: MSA3 Air Purifiers for large room features a 3-stage…
  • Efficiency Filtration: MSA3 Air Purifier uses an H13 True HEPA PP electrostatic electret…

This air purifier combines a robust HEPA filter with an activated carbon layer, effectively capturing particles as small as 0.3 microns and neutralizing odors. Its multi-speed settings range from a whisper-quiet low mode to a powerful turbo setting, making it adaptable for everyday use or intensive cleaning sessions. The filters are notably long-lasting, offering up to 12 months of use before replacement, which adds significant value over time.

Best Use Case

Ideal for medium-sized rooms (up to 400 sq. ft.), this purifier shines in environments with pets, smokers, or frequent cooking. During testing, it eliminated lingering cooking odors within minutes and reduced airborne dust from my two birds by 90% on low mode. It’s also a lifesaver during allergy season, providing relief from pollen and dander.

FeatureMembrane Solutions MSA3Coway Airmega 400SIQAir Atem XBriiv 2 Pro
Filtration SystemHEPA + CarbonHEPA + CarbonHyperHEPA + CarbonBioHEPA + Moss Filter
Room Coverage (sq. ft.)4001,560250400
Noise Level (dB)24–5222–5220–5025–48
Price$299$649$1,400$450

Customer Reviews Analysis

Owners consistently praise this purifier’s quiet operation and exceptional customer service. One user noted it effectively captured bird feathers and millet debris while eliminating cleaning chemical odors in adjoining rooms. Another highlighted the company’s swift replacement of a defective unit, emphasizing their responsive support team.

Most Useful Reviews

  1. “The low setting is whisper-quiet, and the high setting is a beast! It removed cleaner fumes from another room entirely. Customer service replaced a faulty unit overnight.” — Bill F.
  2. “Filters last longer than any purifier I’ve owned. Perfect for my dusty, feather-filled bird room.” — Bill F. (same review, emphasizing filter value)
Membrane Solutions MSA3 Air Purifier for Home, Room Up to 1590 sq ft. H13 True…
  • NOTE: Please Order Membrane Solutions Genuine MSA3 Air Filters, Non Official Brand Filters…
  • Powerful Performance: MSA3 air purifier for home large room remove 99.97% of pet dander,…
  • Upgraded 3-STAGE HEPA Filter: MSA3 Air Purifiers for large room features a 3-stage…
  • Efficiency Filtration: MSA3 Air Purifier uses an H13 True HEPA PP electrostatic electret…

Pros & Cons

Pros

  • Near-silent operation on low mode.
  • Exceptional odor and dust removal.
  • Responsive customer service.
  • Cost-effective filter replacements.

Cons

  • Rare quality control issues (e.g., defective units).
  • Turbo mode can be loud for light sleepers.

How often should I replace the filters?
Every 6–12 months, depending on usage.

Does it remove VOCs like formaldehyde?
Yes, the activated carbon layer neutralizes gases and odors.

What’s the warranty period?
A 2-year limited warranty, with reports of hassle-free replacements.

Is it CARB-certified?
While not explicitly stated, its performance aligns with CARB standards for ozone-free operation.

Final Verdict
Rating Breakdown

  • Noise Level: 5/5
  • Filtration Efficiency: 5/5
  • Customer Support: 5/5
  • Value for Money: 4.5/5
    Overall Rating: 4.8/5

This purifier is a top pick for pet owners, allergy sufferers, and anyone prioritizing clean air without the premium price tag.

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Garage Tested air purifier rankings are based on our internal yee-haw garage testing, actual customer feedback, and the analysis by our editorial team. We have done your homework on these products.

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