Compatible Models: Replacement Filter is compatible with Blueair Classic 501, 503, 510,550E, 555EB,601, 603, 650E, 505,605 and ALL Blueair 500 & 600 Series Air Purifiers.
Filter Efficiency: Highly efficient HEPA filter easily essential for households with Children, Pets, Allergy, smokers and Asthma sufferers. Reduces pollen, dust, pet dander, mold spores, viruses and bacteria.
Easy To Install: You can get back to breathing clean air as soon as possible! Simply remove your old filter and put this brand new one in it's place!
Advise:It is recommended to replace this particle filter every 6 months, or dependent on usage. Using a new air filter not only helps to the body health but also helps to save money on electric. So replace it in time!