Blueair
Blueair Blue Pure 211+ Auto
Air purifiers
$339List price
Explore this product Your shortlist, side by side
Blueair Blue Pure 211+ Auto vs Levoit Core 300S Smart True HEPA Air Purifier
Find the differences that matter for your next decision.
Levoit
Levoit Core 300S Smart True HEPA Air Purifier
Air purifiers
$149List price
Explore this product What matters most to you?
Start with all rankable specifications, or focus on a particular use.
Your starting point
Tied overall. Levoit Core 300S Smart True HEPA Air Purifier is cheaper.
- The 4 rankable overall specs split 2 to 2.
- Saves $190 at list price.
How we reached this
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.
The trade-off to know
Levoit Core 300S Smart True HEPA Air Purifier: Designed for smaller to medium rooms (up to 219 sq ft for 5 ACH)
Look at the differences ↓Refine your requirements
What would rule one out?
Side by side
The differences, in detail.
Start with the key specs, then explore as much as you need.
| What you’re comparing | Blueair Blue Pure 211+ Auto | Levoit Core 300S Smart True HEPA Air Purifier |
|---|---|---|
| CADRPerformance | 353 CFM (Smoke), 347 CFM (Dust), 380 CFM (Pollen) | 141 CFM / 240 m³/h (Smoke), 140 CFM (Dust), 145 CFM (Pollen) |
| Room sizePerformance | Large living rooms, open floor plans, master suites | Bedrooms, nurseries, home offices up to 219 sq ft (5 ACH) / up to 1,095 sq ft (1 ACH) |
| Coverage areaPerformance | 550 sq ft (4.8 air changes/hr) / 1,320 sq ft (2 air changes/hr) | 219 sq ft (5 air changes/hr) / 1,095 sq ft (1 air change/hr) |
| Filter typesFilters | Washable fabric pre-filter + HEPASilent main filter (Particle + Carbon) | 3-Stage filtration: Pre-filter + H13 True HEPA + High-Efficiency Activated Carbon filter |
| Filter lifeFilters | 6 months | 6 to 8 months |
Showing 5 of 11 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
What you gain. What you give up.
Blueair Blue Pure 211+ Auto
Reasons to choose it
- High 353 CFM CADR cleans a 550 sq ft living room in just 12.5 minutes
- HEPASilent electrostatic + mechanical filtration maximizes airflow and efficiency
- Interchangeable washable fabric pre-filters in multiple designer colors
Worth considering
- No mobile app or Wi-Fi schedule controls (one-button operation)
- Reaches 56 dB at highest turbo fan setting
Levoit Core 300S Smart True HEPA Air Purifier
Reasons to choose it
- Whisper-quiet 22dB Sleep Mode
- Compact footprint ideal for bedrooms and home offices
- Full smart app control and Alexa/Google voice integration
Worth considering
- Designed for smaller to medium rooms (up to 219 sq ft for 5 ACH)
- Laser dust sensor only measures PM2.5 (no VOC / gas sensor)
Beyond the spec sheet
Living with your choice.
Explore the ownership details available for this pair.
What three years could cost
Blueair Blue Pure 211+ Auto
3-Year Estimated Total$474
Levoit Core 300S Smart True HEPA Air Purifier
3-Year Estimated Total$227
Room Placement & Bedroom Noise Check
Physical clearance required for airflow, wall placement, and bedroom noise levels.
Wall Clearance Required
Blueair
Requires 12 in perimeter airflow space
Levoit
360° intake requires 15 in perimeter clearance from walls
Nighttime Sleep Mode Noise
Blueair
Standard sleep speed
Levoit
22 dB whisper mode (practically inaudible on nightstand)
Unit Footprint & Dimensions
Blueair
Standard room purifier footprint
Levoit
Compact cylinder (8.7 × 8.7 × 14.2 in; 5.9 lb)
Everyday ownership notes
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Blueair: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
Levoit: What to watch for
- Hardware Quirk
No true HEPA H13 rating on recent replacement filters.
- Maintenance
Filter check light does not measure real dirt; it operates on a fixed timer.
Know what’s behind the comparison
Published specs. Visible sources.
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.
Still weighing it up?
Which is cheaper, the Blueair Blue Pure 211+ Auto or the Levoit Core 300S Smart True HEPA Air Purifier?
Levoit Core 300S Smart True HEPA Air Purifier costs $190 less at list price.
What is the biggest catch with the Blueair Blue Pure 211+ Auto or Levoit Core 300S Smart True HEPA Air Purifier?
Blueair Blue Pure 211+ Auto has this deal-breaker: no Wi-Fi app. No schedules or remote control from your phone.
Which is better for bedrooms, the Blueair Blue Pure 211+ Auto or the Levoit Core 300S Smart True HEPA Air Purifier?
For bedrooms, buy the Levoit Core 300S Smart True HEPA Air Purifier. Leads 2 of 2 rankable bedrooms specs. Noise levels: 22 dB vs 23 dB
What cannot be compared from spec sheets?
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.