Genuine Blueair 400 Series Replacement Smokestop Filter Smokestop Charges fully in 3 hours

Charges fully in 3 hours with USB-C

Using a genuine filter ensures you maintain the full filtration performance the Hale was designed to deliver: particles down to 0

No annoying on-off fluctuations

The air quality indicator lets you know if air quality deteriorates by changing its colour (blue = good

fragrances

Genuine Blueair 400 Series Replacement Smokestop Filter Smokestop Charges fully in 3 hoursThe 400 Series SmokeStop is the filter of choice for larger rooms where air quality is a constant concern whether that's cigarette smoke, traffic fumes, VOCs from decorating or cleaning, or chemical sensitivity. It combines HEPASilent particle filtration with 0. 9kg of activated carbon to tackle gases and odours that a standard particle filter simply can't touch. Thorough removal of gaseous pollutants Designed to absorb today's common gaseous