Our Verdict
VEWIOR Air Purifier Wins

It offers superior purification with 1920 CADR smoke and covers up to 3000 sq ft, significantly more than PuroAir's 640 CADR and 1000 sq ft. Choose PuroAir for smaller rooms where extreme coverage isn't needed.
Bottom Line: VEWIOR Air Purifier is the better choice. It offers superior purification with 1920 CADR smoke and covers up to 3000 sq ft, significantly more than PuroAir's 640 CADR and 1000 sq ft.
Key Differences
The most significant spec differences at a glance
Cadr Smoke
67% lessCoverage Sq Ft
67% lessAdvantages
Where each product wins
VEWIOR
- Cadr Smoke: 67% higher (640.0 vs 1920.0)
- Coverage Sq Ft: 67% higher (1000.0 vs 3000.0)
Who Should Buy Which?
Find the right product for your needs
Buy PuroAir if...
PuroAir 240 HEPA Air
Ideal for individuals seeking a reliable, certified air purifier for medium to large spaces up to 1000 sq ft. If you prioritize peace of mind from CARB, ETL, ISO, and UL certifications, and appreciate automatic adjustments via a smart sensor without needing a mobile app, the PuroAir 240 is a strong choice. It's perfect for living rooms or large bedrooms where its 640 CADR smoke rating will effectively maintain air quality, even if ultra-large room coverage isn't your primary concern.
Buy VEWIOR if...
VEWIOR Air Purifiers for
The VEWIOR Air Purifier is perfect for those with expansive living areas or multiple rooms to purify, up to 3000 sq ft. If you demand unparalleled purification power with a 1920 CADR (smoke) and prefer a quiet environment with its 15dB sleep mode, this is your ideal choice. Value-conscious buyers will appreciate its lower price point and advanced H13 HEPA filtration with a PM2.5 display, offering superior performance for very large homes or offices without breaking the bank.
Spec Comparison
7 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $159 | $140 |
| Rating | 4.6(15.9k) | 4.5(191) |
| Cadr Smoke | 640 | 1920 |
| Coverage Sq Ft | 1000 | 3000 |
| Noise Level db Min | — | 15 dB |
| Filter Type | HEPA | HEPA H13 |
| Model Number | PuroAir 240 | KJ300 |
| Smart Sensor | Yes | Yes |
| Filter Life Months | — | 4.5 |
Swipe horizontally to see all columns
Pros & Cons
Quick overview of strengths and weaknesses
PuroAir 240 HEPA
- Covers 1,000 sq ft room in one hour.
- Filters 99.9% of dust, pollen, smoke, VOCs.
- CADR (Smoke) rating is 640.
- Smart sensor adjusts fan speed automatically.
- Filter replacement costs are not specified.
- Lacks mobile app for remote control.
- No specific noise level (dB) provided.
VEWIOR Air Purifiers
- Covers up to 3000 sq ft, suitable for very large rooms.
- H13 HEPA & carbon filter captures 99.97% particles.
- 1920 CADR smoke rating ensures rapid air purification.
- 15dB sleep mode operates quietly for minimal disruption.
- Filter replacement needed every 3-6 months.
- Aromatherapy essential oils are not included.
- Proprietary filter replacements may limit options.
Frequently Asked Questions
Common questions about this comparison
Which air purifier is better for very large rooms?
The VEWIOR Air Purifier is significantly better for very large rooms, covering up to 3000 sq ft. The PuroAir 240 is suitable for large rooms up to 1000 sq ft, making VEWIOR more powerful for expansive spaces.
What's the main difference in air purification efficiency?
The VEWIOR boasts a much higher CADR smoke rating of 1920, indicating faster pollutant removal compared to PuroAir's 640 CADR. This means VEWIOR cleans air more rapidly and effectively in larger volumes.
Which air purifier is quieter for sleep?
The VEWIOR offers a quiet sleep mode operating at 15dB, ideal for bedrooms or quiet environments. PuroAir does not specify its minimum noise level, making VEWIOR the clear choice for silent operation.
What is the filter type difference between the two?
VEWIOR uses an H13 HEPA & carbon filter, capturing 99.97% of particles. PuroAir uses a standard HEPA filter, capturing up to 99.9% of pollutants. VEWIOR's H13 offers slightly finer particle filtration.
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