BlueairBlue Pure 411 Black Pre-Filter, Washable Fabric Traps Pollen, Pet Hair & Dust, Dark Shadow

BLUEAIR Blue Pure 411 Black Pre-Filter, Washable Fabric Traps Pollen, Pet Hair & Dust, Dark Shadow

BLUEAIR Blue Pure 411 Auto, 411, 411+ Genuine Replacement Filter, Particle and Activated Carbon, fits Blue Pure 411 Auto, 411 and 411+ Air Purifiers

BLUEAIR Blue Pure 211+ Dark Gray Pre-Filter, Washable Fabric Traps Pollen, Pet Hair & Dust, Dark Shadow