Ordering the separately sold Blueair Air Intelligence Module will allow your Pro L to monitor the levels of air particles in the room and respond on its own to changing levels of air pollutants

from the shock eliminating dual triggers

To access the filter

you will save money by not needing to purchase costly replacement disposable bags

Royal Commercial Upright 673

Windsor Sensor Genuine Upright Paper Vacuum Bags, 10 Pack #53-2402-06 Dyson DC24 Vacuum Parts Ordering the separately sold Blueair[custom_html] Genuine paper vacuum bags, desinged for Windsor Sensor upright model vacuum cleaners. Package contains 10 vacuum bags. [ custom_html]