The Blueair 400 series Particle Filter is the perfect companion to any Blueair 400 Series machine

5-inch cleaning path

Delivered Airflow: 140 220 - 660 cubic feet per minute

Designed to house the Eureka F & G style disposable paper bag

· Intelligent purification

Hoover Type Y Allergen Filtration Vacuum Bags, 3 Pack Genuine Hoover Parts Green Klean Air Purifier Filters The Blueair 400 series Particle[custom_html] Designed to help combat indoor allergens, this is a set of genuine Hoover Type Y Allergen Filtration vacuum bags. Trap and neutralize pollen, dust, mold spores, dander, pet hair, and more with these advanced Type Y allergen fighting bags. Used by a number of Hoover upright vacuums, including the T Series WindTunnel, these genuine Hoover Type Y allergen filtration bags are just what you need to help cut down on the number of airborne