The company coined the slogan, "Tastes great
In 1999, their trademark rights were bought by Philip Morris, and are still under them today
Blueair Blue Pure 511 Coverage area: 432 square feet | CADR Rating: 122 (smoke), 123 (dust), 123 (pollen) | Minimum noise level: 24 dB | Dimensions: 7.9 x 7.9 x 13.9 inches | Weight: 5.24 pounds | Returns and warranty: Free returns within 60 days (if purchased directly from Blueair), 2-year limited warranty Pros: Small and lightweight Whisper-quiet operation Impressive performance for its size Cons: Lacks smart functionality and auto settings The Blueair Blue Pure 511 is a low-profile and relatively low-cost air purifier thats designed to clean rooms up to 432 square feet in 30 minutes or spaces up to 192 square feet in just 12 minutes
For example, one study that looked at the efficacy of portable air purifiers in controlling wildfire-generated fine particulate matter (PM2.5) concentrations found a 73 to 92 percent reduction in indoor PM2.5 levels within eight hours. These are some factors to remember to ensure your air purifier works to remove smoke effectively and efficiently
Depending on the device, it will likely beep, flash, light up, or display a readout that indicates continuity
