
Alen BreatheSmart 75i Large Room Air Purifier
Air purifiers
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Air purifiers

Air purifiers
Start with all rankable specifications, or focus on a particular use.
Your starting point
We compare the published specifications relevant to your priority. Each rankable specification counts once; your selected requirements can rule a product out. This is a guide to the numbers, not a laboratory performance score.
Coverage area: 1,588 sq ft vs 1,400 sq ft
It is also $450 cheaper.
The trade-off to know
Levoit Core 600S Smart True HEPA: Activated carbon filter layer is thinner for heavy smoke odors
Look at the differences ↓Side by side
Start with the key specs, then explore as much as you need.
| What you’re comparing | Alen BreatheSmart 75i Large Room Air Purifier | Levoit Core 600S Smart True HEPA |
|---|---|---|
| CADRPerformance | 350 CFM across Smoke, Dust, Pollen | 410 CFM (Smoke), 400 CFM (Dust), 420 CFM (Pollen) |
| Room sizePerformance | Large master suites, open living rooms, offices | Extra-large spaces, open-concept homes, basements |
| Coverage areaPerformance | 1,400 sq ft (2 air changes/hr) / 700 sq ft (4 air changes/hr) | 1,588 sq ft (2 air changes/hr) / 635 sq ft (5 air changes/hr) |
| Filter typesFilters | Medical-grade H13 True HEPA + Antimicrobial layer + Heavy Odor Carbon | 3-Stage True HEPA (Pre-filter + H13 True HEPA + High-efficiency Custom Carbon) |
| Filter lifeFilters | 12–15 months extra long filter life | 6–12 months depending on air quality |
Showing 5 of 11 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
Beyond the spec sheet
Explore the ownership details available for this pair.
Alen BreatheSmart 75i Large Room Air Purifier
Levoit Core 600S Smart True HEPA
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Alen: What to watch for
Requires periodic filter replacements to maintain airflow and odor capture.
Levoit: What to watch for
Requires periodic filter replacements to maintain airflow and odor capture.
Know what’s behind the comparison
Clinchmark compares manufacturer specifications and other published information. We have not independently lab-tested these products. Editorial assessments and unknown values are identified in the specification details.
Catalog snapshot: September 1, 2026. Prices, availability, and provider terms can change.
Levoit Core 600S Smart True HEPA costs $450 less at list price.
Alen BreatheSmart 75i Large Room Air Purifier has this deal-breaker: over 25 lb (11 kg). Hard to move between rooms.
Tied on bedrooms. Levoit Core 600S Smart True HEPA is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $450 at list price.
Of the 11 specs tracked here, 6 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.