Blueair Particle Filters for 500/600 Series Air Purifiers, 3-Pack
Replacement Particle Filter for Blueair 500/600 series air purifier (set of three) for the Blueair model 501 and 601 air purifiers. One complete filter change - 3 standard HEPASilent filter of polypropylene (traps particles). Updated by Blueair, this filter is now more efficient and does not have a carbon filter. Brought to you by A.M.I. Services.