Removable, washable, and reusable. The Blue Pure 411 Washable Fabric Pre-filter is the first line of defense against larger particles in your air; capturing hair and large dust particles. Available in 5 modern colors to fit your style, the 411...

Removable, washable, and reusable. The Blue Pure 211+ Washable Fabric Pre-filter is the first line of defense against larger particles in your air; capturing hair and large dust particles. Available in 5 modern colors to fit your style, the 211+...

Engineered to help you breathe better, the Blue Pure 211 is AHAM certified with a Clean Air Delivery Rate (CADR) of 540 square feet based on 5 air exchanges per hour. The Pure 211s particle filter captures dust, pollen, pet dander, smoke and mold...