(Unframed)43cm x 31cm / 17 x 12 inches
Preparing ones self for davening is a concept that is well rooted in halacha
It is possible results will change as additional data points become available
Blueair Blue Pure 211i Max Optimal coverage area: 1,524 square feet | CADR Rating: 435 (smoke), 452 (dust), 450 (pollen) | Minimum noise level: 23 dB | Dimensions: 14.4 x 14.4 x 22.7 inches | Weight: 16.2 pounds | Returns and warranty: Free returns within 60 days (if purchased directly from Blueair), 3-year limited warranty Pros: Designed for large spaces Energy-efficient, quiet operation Display can be turned off while the unit is running Cons: Large and somewhat heavy Pricier than other models we recommend The Blueair Blue Pure 211i Max can clean the air in rooms around 600 square feet in just 12 minutes, rooms of about 1,500 square feet in 30 minutes and rooms of roughly 3,000 square feet in an hour
It creates that readily identifiable musty, mildewy smell
It indicates that your cilia are reactivating and clearing accumulated mucus from your respiratory system
