Alen BreatheSmart 75i
#12 in Large roomsFull review
A premium large-room purifier with long-lasting filters, for buyers willing to pay for quiet and a subscription-backed guarantee.
Amazon $699.59$699.59
2.9/5
A very high-CADR purifier for large open spaces, with high filter costs to match.
- 561 cfmSmoke CADR
- 869 sq ftRoom size
- $277.98/yearFilters
- 70 dBNoise
Check price at Amazon$594.99
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Over 550 CFM of certified CADR, enough for open-plan spaces near 870 sq ft
- Dust sensor and auto mode
- Ionizer is optional and can stay off
Cons
- Filters cost about $280 a year
- Loud at 70 dB on top speed
- Heavy at 32 lb
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its room size. How we rank explains each one.
Specifications
| Model number | MA-112 V3.0 |
|---|---|
| Performance | |
| Smoke CADR | 561 cfm |
| Dust CADR | 587 cfm |
| Pollen CADR | 450 cfm |
| PM2.5 CADR | 574 cfm |
| CADR certified by | AHAM Verifide |
| Room size (AHAM) | 869 sq ft |
| Coverage (maker) | 4,455 sq ft |
| Noise | 70 dB |
| Efficiency | |
| ENERGY STAR | No |
| Filters | |
| Filter | Dual H13 HEPA 3-in-1 (pre-filter, carbon, HEPA) |
| Activated carbon | Yes |
| Replacement | MA-112 replacement filter set |
| Replacement cost | $138.99 every 6 months |
| Yearly filter cost | $277.98/year |
| Ionizer | Yes, can be switched off |
| CARB certified (ozone) | Yes |
| Controls and build | |
| Air-quality sensor | particle (dust sensor) |
| Auto mode | Yes |
| Wi-Fi app | No |
| Fan speeds | 4 |
| Dimensions | 28 x 16 x 15 in |
| Weight | 32 lb |
Alternatives in this room size
Levoit EverestAir
#13 in Large roomsFull review
A premium Levoit for a large room where floor space is tight. The Core 600S cleans a bit more air for less money if you have the floor space.
Amazon $499.99$499.99
AirDoctor AD4000
#15 in Large roomsFull review
A large-room purifier with strong certified CADR and odor filtration, but high filter costs.
Amazon $679$679
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