A cord length of 40 feet makes it so you dont have to constantly change electrical outlets in order to clean an entire room

you may need to change the filters as frequently as once per bag change

Its soundless operation also produces no ozone and does not utilize ionization

This keeps all of the dirt and debris the vacuum has collected inside

just below the handle

Blueair Carbon+ Filter for Pro Series Coffee & Tea A cord length of 40[custom_html] Although Blueair offers a carbon filter that reduce harmful gasses, smoke, and VOCs from the air, it may not always be enough. Heavily polluted areas often contain more of these harmful gasses, therefore requiring more carbon filtration. The Blueair Carbon+ Pro Filter was designed to combat this increase in pollutants. Like the Pro HEPASilent and Smokestop filters, the Carbon+ Pro Filter is v shaped to snugly fit into your Pro series