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AQI / 22) The formula is used to convert the abstract AQI number into a cigarette equivalent and this provides a physical perception of the health hazards posed by air pollution particularly when it comes to lung and heart diseases
Coverage area: 219 square feet | CADR Rating: 141 (smoke), 140 (dust), 145 (pollen) | Minimum noise level: 24 dB | Dimensions: 8.7 x 8.7 x 14.2 inches | Weight: 7.48 pounds | Returns and warranty: Free returns within 30 days (if purchased directly from Levoit), 2-year limited warranty Pros: Affordable price point Compact design for smaller spaces Smoke-specific replacement filters available Cons: Some users report it can be loud The Levoit Core 300 Air Purifier is a great choice for spaces up to 219 square feet, capable of refreshing the air up to five times an hour in rooms of this size
Why do you dream that your husband smokes
The latest research data show that the incidence, disability, and mortality of COPD are high, and there is a rising trend year by year
