The Winix Ultimate Large 4-Stage Replacement Filter Cartridge, suitable for the Winix PlasmaWave™ Air Cleaner models 9000, 5000, 5300, and 5000B, includes an anti-bacterial pre-filter, True HEPA filter, nano-silver mesh shield and washable activated carbon filter all in one convenient cartridge for easy replacement.
Fits Winix air cleaner models 9000, 5000, 5300, and 5000B. | 
