Replacement Purifier Filter for Blueair 400 Classic 450E 455EB Series (2 Pack)

Replacement Purifier Filter for 400 Series: Features: •Includes 1 HEPA Filter with Aluminium layer on one side. •Captures particles as small as 0.3 microns from the air passing through the filter •Dimension : 21 x 10 x 3.8 inches •Replace your Filter every 6 months for Optimum Performance. •Captures dust pollen bacteria virus pet dander mold spores and other airborne particles. Compatible With The Following Purifier Models: 401 405 400PF 450E 480i 402 410 401PF 455E 403 455 410B 455EB Compatible With The Following Filter Models: 400 Series Particle