
Blueair Protect 7470i
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: 1,035 sq ft vs 219 sq ft
Levoit Core 300S Smart True HEPA Air Purifier is $500 cheaper. Pay the difference only if cadr matters to you.
The trade-off to know
Check first: the Blueair Protect 7470i weighs over 25 lb (11 kg). Tick them under deal-breakers if that rules it out.
Look at the differences ↓Side by side
Start with the key specs, then explore as much as you need.
| What you’re comparing | Blueair Protect 7470i | Levoit Core 300S Smart True HEPA Air Purifier |
|---|---|---|
| CADRPerformance | 270 CFM (Smoke), 275 CFM (Dust), 280 CFM (Pollen) | 141 CFM / 240 m³/h (Smoke), 140 CFM (Dust), 145 CFM (Pollen) |
| Room sizePerformance | Master bedrooms, living areas up to 418 sq ft (5 ACH) | Bedrooms, nurseries, home offices up to 219 sq ft (5 ACH) / up to 1,095 sq ft (1 ACH) |
| Coverage areaPerformance | 1,035 sq ft (2 air changes/hr) / 418 sq ft (5 air changes/hr) | 219 sq ft (5 air changes/hr) / 1,095 sq ft (1 air change/hr) |
| Filter typesFilters | SmartFilter with Smart RFID chip (HEPASilent Ultra + Activated Carbon) | 3-Stage filtration: Pre-filter + H13 True HEPA + High-Efficiency Activated Carbon filter |
| Filter lifeFilters | 6–12 months with real-time algorithm filter tracking | 6 to 8 months |
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.
Blueair Protect 7470i
Levoit Core 300S Smart True HEPA Air Purifier
Physical clearance required for airflow, wall placement, and bedroom noise levels.
Wall Clearance Required
Requires 12 in perimeter airflow space
360° intake requires 15 in perimeter clearance from walls
Nighttime Sleep Mode Noise
Standard sleep speed
22 dB whisper mode (practically inaudible on nightstand)
Unit Footprint & Dimensions
Standard room purifier footprint
Compact cylinder (8.7 × 8.7 × 14.2 in; 5.9 lb)
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Blueair: What to watch for
Requires periodic filter replacements to maintain airflow and odor capture.
Levoit: What to watch for
No true HEPA H13 rating on recent replacement filters.
Filter check light does not measure real dirt; it operates on a fixed timer.
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 300S Smart True HEPA Air Purifier costs $500 less at list price.
Levoit Core 300S Smart True HEPA Air Purifier has this deal-breaker: under 1,000 sq ft coverage. Undersized for an open-plan living area.
Too close to call on bedrooms from the spec sheets. Only weight is rankable here. Noise levels: 22 dB vs 22 dB Smart features: Blueair App, Alexa, Google Home, GermShield… vs VeSync App
Of the 11 specs tracked here, 7 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.