Filter for Blueair Air Purifier Blue Pure 511 HEPASilent Particle HEPA Carbon Sleeve (Pack of 2 Filters)Replacement Particle HEPA Carbon Filters for Blueair Air Purifiers (Pack of 2) Brand new, premium quality pack of 2 compatible replacement particle HEPA carbon filters for Blueair air purifiers. Removes annoying household odours, chemicals, and gases, as well as 99. 97% of airborne particles like pollen, dust and germs. To maintain optimum performance, we recommend changing your filter every 3 months (heavy use), 6 months (normal use) or 9 months

DXA 68AW3/1-80

HEN225A/03

HB63AA620B/01

D8662N0/02

WM14N062FG/46

HR675GBS1S/05

HE579GBS6/44

B55VR22N0/40

SMI46GS00E/03

B1AVH2AN1/49

KI2426D30/01

HBN230451/01