97% efficiency

This is even higher than the five air changes per hour recommended by the American Society of Heating

This brush roll with superior pick-up ability is designed for use in certain Bissell CleanView series

the fans in Blueair purifiers do not have to work as hard to push air though

Blueair 200 & 300 Series GO SmokeStop Filter SEBO Vacuum Bags 97% efficiency[custom_html] The Blueair 200 300 Series Gas & Odor Smokestop Filter includes one filter. This filter works with the Blueair 201, 203, 205, 205E, 270E, 303 air purifiers. This filter should be changed every six months. This filter can be vacuumed to prolong its life. This replacement filter for the 200 and 300m series Blueair filters contains 2 pounds of activated coconut shell carbon, mixed with a 70 30 of Potassium Iodide (KI), Phosphoric acid